Serious Cybersecurity Vulnerabilities: Apache Log4j & SMA-3217

Posted on December 16, 2021December 21, 2021 by Megan Haley

UPDATE — 12/18/21

There have been more developments in the ongoing remediation of the Log4j logging library and connected vulnerabilities.

The initial patch, version 2.15.0, that aimed to resolve the remote code execution vulnerability described in CVE-2021-44228 was found to be incomplete and led to the discovery of CVE-2021-45046. Initially thought to be a minor DoS vulnerability, CVE-2021-45046 was assigned a CVSS of 3.7. As of late yesterday, CVE-2021-45046 was elevated to a CVSS of 9 due to newly discovered attack vectors that would allow bad actors to exfiltrate data. A patch was quickly released in version 2.16.0 to remediate it. Earlier this morning, a new flaw was identified in the patch version 2.16.0 that has required a new patch release (version 2.17.0) and a new vulnerability tracking ID of CVE-2021-45105. The identified flaw is a severe DoS vulnerability that would allow bad actors to perpetrate Denial-of-Service attacks against affected assets. CVE-2021-45105 has been assigned a CVSS of 7.5.

The risk with these vulnerabilities not only rests in active use of the Log4j library within production applications developed by your company, but also in several standard workplace applications and solutions that also utilize it. Log4j is one of the most ubiquitous logging libraries and is used in a plethora of applications and solutions. It is likely that some of the applications you use in your environment are affected and therefore vulnerable. These are called nested vulnerabilities as they stem from a utility that is used within standardly deployed applications and are dependent on patch releases from the vendor to remediate.

FIT’s Response:

FIT is continuing to monitor the situation closely and apply patches as they become available. FIT engineering will be reaching out as patches are released to setup emergency patching windows for FIT IT managed clients.

Recommendations:

If you are currently utilizing Log4j in your development or infrastructure, FIT recommends immediately applying the patch in version 2.17.0 (Java 8).

Additionally, these vulnerabilities have highlighted the importance of running a full application inventory of your environment and monitoring attack surface lists of affected applications to compare. It is critical to apply patches when available to all affected applications in your environment. The primary attack surface list in use by FIT Cybersecurity is published by Rumble and can be found here – Finding applications that use Log4J (rumble.run). It is updated daily, if not twice daily, and maintains the most complete list of applications affected by these vulnerabilities.

UPDATE — 12/17/21

CVE-2021-44228 & CVE-2021-45046

VMWare is starting to release patches for both vulnerabilities. Please reference this article against your environment to determine what patches are available for your infrastructure: VMSA-2021-0028.3 (vmware.com)

FIT Managed IT clients will be hearing from your engineering team as patches for your environment become available.

FIT Cloud Clients, emergency patches are being applied to your infrastructures this weekend.

Please Note: This is just the first round of patches and not everything has had a patch released yet. We anticipate this process continuing for the next few weeks at least. Depending on your environment, it is very possible you will need several emergency patching windows as more and more patches become available.

UPDATE — 12/16/21

We’d like to provide a status update of where we stand with the remediation efforts of the Log4j vulnerabilities (CVE-2021-44228 and CVE-2021-45046).

CVE-2021-44228

FIT Solutions’ Managed IT clients are 95% patched for on-premise assets that are affected by this vulnerability, and the last 5% are actively being worked on by the engineering team. This vulnerability scope is evolving as new applications and services are identified to be vulnerable. FIT Solutions is actively investigating and monitoring all client infrastructures to identify and address any newly discovered vulnerable systems.

CVE-2021-45046

This new vulnerability that was produced from the remediation of CVE-2021-44228 remains in the monitoring state. A few patches have been released to address this, but a majority of software and solution providers are still working on updated patches to address it. FIT Cybersecurity is actively monitoring the situation and engaging the engineering team as soon as patches become available to implement in client environments.

Updated Recommendation

FIT Cybersecurity is recommending an additional layer of protection that can assist in defending against the Log4j vulnerabilities. If it is possible in the environment, we recommend that Outbound LDAP communications be blocked on the firewall. This will not completely protect your environment from the Log4j vulnerability, but will hamper attempts by bad actors to exploit the vulnerability by utilizing LDAP. FIT Cybersecurity and FIT Solutions will continue to collaborate on monitoring the situation and remediating client environments. If you have any questions or concerns, please do not hesitate to reach out to [email protected].

UPDATE — 12/15/21

A new vulnerability was discovered that impacts all assets affected by the initial Log4j Vulnerability (CVE-2021-44228). This new vulnerability (CVE-2021-45046) is less severe than CVE-2021-44228 coming in with a CVSS score of 3.7 out of 10. Do not let the lower CVSS score fool you, the vulnerability is still something that requires immediate attention.

The initial patch released for Log4j will prevent an attacker from gaining complete control over an affected asset, but that same patch can be abused by attackers resulting in a denial-of-service (DoS) attack on the affected asset. These DoS attacks have the ability to take an affected asset down by flooding the asset with requests at such a volume that the asset cannot handle the load.

Currently, software and solution providers are scrambling to release new patches of their software that address this new vulnerability. Apache, the initial source of both these vulnerabilities, has released a new version of the Log4j logging library that fixes this issue. If you actively use Log4j, please make sure you update your version to 2.16.0 which resolves both vulnerabilities.

Here are some additional resources for more information on the new vulnerability CVE-2021-45046:

Apache’s Fix for Log4Shell Can Lead to DoS Attacks | Threatpost

Second Log4j Vulnerability (CVE-2021-45046) Discovered — New Patch Released (thehackernews.com)

FIT Cybersecurity and FIT Solutions Response

FIT Cybersecurity and FIT Solutions are collaborating actively to patch all FIT Solutions IT clients and advise all cybersecurity clients on next steps. As more patches become available, FIT Solutions will reach out to IT clients for emergency patching windows. It is important to note, about 90% of affected assets from FIT Managed IT clients have been patched with the initial patch or a workaround has been implemented. The remaining 10% are actively being worked on to complete patching of the initial CVE-2021-44228.

UPDATE — 12/14/21

Only about 30% of the software vendors impacted have released patches thus far. We urge decision-makers to approve emergency patching all week if possible as updates come out during the week. Though patching updates can be disruptive to work, the interruption would be far less than that caused by a breach. Our cybersecurity team built custom monitoring alerts to increase threat hunting while we wait for patches to be released. Our team is also trained on emergency response actions to stop the exploit from being leveraged. We are working with all our clients to strategically make plans to minimize risk to their businesses. For users of FIT Cloud, we have applied the work-around fixes to VMware while a patch is being developed to protect the Cloud infrastructure.

INITIAL 12/13/21

Late last week, two vulnerabilities came to light that have made large waves in the cybersecurity space. We wanted to make sure you are informed of these new and potentially dangerous vulnerabilities. FIT Solutions stands ready to assist in any way we can as we go through the remediation of these new vulnerabilities. Please do not hesitate to reach out to [email protected] with any questions or concerns you may have.

Apache Log4j Logging Library Vulnerability | CVE-2021-44228 | CVSS 10.0

The Apache Log4j vulnerability was released late on Friday, December 10, and has a large attack surface with potentially dangerous effects. This vulnerability allows attackers to gain complete control of affected systems. The Log4j logging library is widely used and can be found in different services from Apple, Twitter, Steam, Tesla, Elastic Search, and more. Ranking as a CVSS 10.0 out of 10, this vulnerability poses a significant threat to those that utilize or interact with the Apache Log4j Logging Library, and it is already being exploited in the wild.

This is a high criticality vulnerability and deserves your immediate attention. Recommended remediation is to immediately upgrade any direct use of the Log4j library to log4j-2.15.0.rc2. Log4j is also utilized in several tools for logging, monitoring, alerting, and dashboard solutions. This means the issue may not be that you are directly using the library, but your tools are, which would also leave you vulnerable. In these instances, update your tools to the latest version and monitor their publishers’ releases to ensure you update to the release meant to fix CVE-2021-44228.

Log4j is also a dependency in large number of applications for business and personal use. In these circumstances, we must wait for the application provider to update the Log4j library. With the intense scrutiny and attention this vulnerability has received, we anticipate patching within the next couple days if the issue has not been patched already.

If you are not sure if you or one of the tools you utilize use Log4j, Huntress has come out with a utility to check if you are vulnerable – Huntress – Log4Shell Tester

Here are some additional resources for CVE-2021-44228:

Critical RCE Vulnerability: log4j – CVE-2021-44228 (huntress.com)

Security warning: New zero-day in the Log4j Java library is already being exploited | ZDNet

NVD – CVE-2021-44228 (nist.gov)

SMA-3217 – SMA100 Unauthenticated Stack-based Buffer Overflow| CVE-2021-20038 | CVSS 9.8

The Unauthenticated Stack-based Buffer Overflow vulnerability is significant but in much smaller scope than the Log4j vulnerability. Affecting SMA 100 series appliances, this vulnerability can allow an unauthenticated attacker to execute commands as the nobody user, giving complete control of the device to the attacker.

Currently, there are no reports of this vulnerability being exploited in the wild, but it still warrants patching if you utilize any of these appliances. A patch has already been deployed by SonicWall and is readily available to all organizations that utilize these appliances. Our remediation recommendation is to immediately apply this patch to all affected SMA appliances.

Here are some more resources for CVE-2021-20038:

Security Advisory (sonicwall.com)

NVD – CVE-2021-20038 (nist.gov)

Patch Now: Sonicwall Fixes Multiple Vulnerabilities in SMA 100 Devices | Rapid7 Blog

FIT Cybersecurity & FIT Solutions Response

FIT Cybersecurity already has monitoring deployed to watch for Log4j exploitation attempts and is closely monitoring all logs for evidence of these attempts on our clients. We are collaborating with the engineering teams for FIT Solutions customers to ensure any available patches are applied to your environment immediately.

We are ready to assist and answer any questions you may have concerning these vulnerabilities.

Should I Lease Multiple Domains for Cybersecurity?

Posted on December 7, 2021 by CT Team

Recently we hosted a webinar on Phishing & Whaling—How to Protect Yourself and Your Team. Melinda, one of our Solutions Executives, and Stormy, from our vCISO team, shared real-life examples and valuable insights to help educate business owners on the threats they face on a daily basis.

As Stormy explained examples of whaling attacks, one of our audience members posed an intriguing question: if cybercriminals are purchasing lookalike domains in order to phish you, would leasing multiple domains help prevent that?

Stormy’s answer? Both yes and no. Let’s get a little more context.

THE THREAT

One common scheme used in phishing attacks is domain spoofing, where a criminal leases a domain that is very similar to yours. For example, if your website is www.LawFirmABC.com, the attacker might lease www.LawFlrmABC.com, swapping the I for an L. Then he sets up an email address at that domain and sends an email to one of your team members posing as an employee. The swapped letter is easy to miss during a quick scan of an email that otherwise looks legitimate.

THE PROPOSED SOLUTION

Given that this scheme relies on the domains being fairly similar, the concept is that if you’re leasing multiple lookalike domains, you’ll keep them out of criminal hands and protect your organization against this type of attack.

In theory, yes, this could help. In fact, large companies like Google do this for this exact reason. When our own team uses domain spoofing during a social engineering campaign for a client, we turn any lookalike domains we leased over to the client’s control after the campaign ends. However, leasing multiple domains is not enough.

THE BETTER SOLUTION

In practice, this defense isn’t really practical; there are too many possible combinations to feasibly lease them all. Plus, it could lull your team into a false sense of security. The money you might spend leasing those domains would be better invested in cybersecurity awareness training for your employees. Staying alert and on guard at all times is vital to maintaining your organization’s security.

FIT Cybersecurity provides cybersecurity education and social engineering campaigns to organizations across all industries. If you’d like to test your company’s defenses or your team’s awareness of common cybercrime tactics, give us a call today at 888-683-6573 or contact us here.

PRESS RELEASE: SOCBOX Changes Its Name to FIT Cybersecurity in Major Rebrand

Posted on November 30, 2021November 29, 2022 by Megan Haley

Network Security Provider Joins Sister Company FIT Solutions

San Diego, California, November 30, 2021 – SOCBOX has announced its name change to FIT Cybersecurity, joining its sister company FIT Solutions in a major rebrand. Founded in 2012 by CEO Ephraim Ebstein, the company is approaching its ten-year anniversary of helping organizations achieve their business goals through technology. FIT, which stands for Freedom Information Technologies, serves as an acronym uniting both brands under the same leadership and core values. Though the companies will remain separate entities along with their technical teams, Ebstein’s goal was to provide a more streamlined experience for clients and partners.

FIT Cybersecurity prides itself on providing quality solutions to critical industries such as legal, financial, education, healthcare and manufacturing. Ebstein shared the fundamental principles of the business: “FIT Solutions was created because of our desire to impact as many lives as possible for the better. This meant two things: creating opportunities for the team we care for dearly, and solving business problems for our clients to help those organizations achieve their objectives,” he said. “FIT Solutions looks to work with organizations that also have big goals so that together, we can help extend the reach to help as many people as possible.”

Unlike many of its competitors, FIT Cybersecurity offers an around-the-clock team of expert analysts, a human element that differentiates the company from others in the marketplace. “Most offerings on the market are proprietary tools that send alerts when incidents or suspicious activity are detected. Addressing such alerts still requires a human on your team to investigate and decide whether further action is necessary. Many organizations try to handle this in-house, but quickly realize that a single employee, even full-time, cannot properly monitor and manage the security tools because of 24/7 limitations,” Ebstein said. “We take care of that for you by acting as your 24/7 cybersecurity team, monitoring and managing whatever tools and systems you have in place for a fraction of the fully-burdened resources needed to handle it in-house. We investigate any activity or alerts, and take the appropriate action to deal with any security incident.”

FIT specializes in serving long-term healthcare facilities and law firms, both of which need solid IT and cybersecurity strategies. As Ebstein stated, “Technology and Cybersecurity are like the ‘tires and brakes’ of an organization. It is critical that they work well, especially the faster the organization moves. Those two services will determine whether an organization will be able to achieve its goals.”

However, the disparate branding had caused confusion for prospective partners, which Ebstein hopes to alleviate with the rebrand. “Our IT and cybersecurity offerings are very different and are operated by different technical teams. Despite that, our core values and the philosophy and processes used to deliver results are the same,” he said. When asked which businesses should consider FIT Solutions as their service provider of choice, he answered, “Businesses that are focused on growth, that are tired of having IT and cybersecurity issues and want the best value for their investment. Organizations that are focused on securing their assets and utilizing technology to allow them to scale successfully should have a conversation with us.”

Ebstein urges potential clients to research FIT Solutions to learn more. “The best way to see what it’s like to be a FIT partner is to look at our Google reviews. Two of our core values are ‘Raving Fan Culture’ (based on a book by Ken Blanchard) and ‘Results-Driven.’ This means it is in our DNA to overdeliver and, even when mistakes happen, to deliver results,” he said.

About FIT Cybersecurity: Formerly known as SOCBOX, FIT Cybersecurity is a subsidiary of FIT Solutions, offering a team of world-class cybersecurity experts dedicated to helping clients protect their valuable assets. In doing so, they combine a state-of-the-art Security Operations Center (SOC) with the best cybersecurity tools and managed security services available. FIT Cybersecurity becomes an organization’s cybersecurity team, monitoring the environment 24/7 to detect and prevent cyberthreats. Learn more here.

Why Firewall and Antivirus Aren’t Enough to Secure Your Business

Posted on June 2, 2020September 7, 2021 by CT Team

“I have a firewall and antivirus, so I’m secure, right?” We hear this question from companies all the time. The answer is, that’s a great start, but you’re not quite done. Why not? To find out, let’s take a closer look at these two security measures.

What Does a Firewall Do?

A firewall is a program on your network that acts as gatekeeper, monitoring the inbound and outbound traffic. If you think of your business like a bank, the firewall would be like the security guard stationed at the entrance that prevents unwanted intruders from entering. That sounds like a pretty good system, until you consider a few drawbacks of firewalls.

Firewalls operate based on predetermined rules. If someone figures out what those rules are, it’s not that hard to outsmart the firewall. In our bank example, your security guard may be instructed to turn away anyone in a red hat. Knowing this, the intruder wears a blue hat instead and is allowed to enter.
A firewall is a reactive, problem-by-problem solution. It reacts to the immediate threat; it doesn’t look ahead to see the next approaching threat. The effectiveness of your firewall depends on those preset rules to block attacks, so if you’re not proactively watching the latest cyberthreats (and installing regular updates), it can’t fully do its job. This can leave you vulnerable to viruses or other cyberthreats.
Your firewall protects your office network. If your employees access work emails or files from their personal devices, they can take that data outside of your company network. This has become a bigger threat with the recent pandemic-driven increases in work-from-home arrangements. Pandemic aside, though, if your employees conduct work outside of the office, perhaps using hotel Wi-Fi on a business trip, your company data could now be exposed on an unsecured network—where your firewall can’t protect it.
Firewalls can’t stop user error. Criminals have a whole gamut of tricks for penetrating your system. Social engineering and phishing attacks in particular can completely sidestep your external defenses by targeting internal users. If one of your users unknowingly clicks a malicious link, your entire network could be shut down.

Does this mean you shouldn’t use a firewall? Absolutely you should; having a security guard with limited power is better than having none at all. We just want to make it clear why businesses shouldn’t entrust the safety of their data solely to their firewall.

What About Antivirus?

Antivirus is software that can prevent, detect, and remove malware. In our banking example, this would be like another security guard that makes regular rounds inside the bank, looking for suspicious activity. There are different kinds of antivirus software:

Malware signature antivirus: This type scans for the digital fingerprint of a malicious program, known as a signature. The antivirus software comes preloaded with thousands of signatures, allowing the software to quickly identify and dispose of a threat that matches one from its database.
System monitoring antivirus: This software identifies malware by looking for suspicious or unusual behavior—for example, if a user tries to access an unfamiliar website, or starts using significantly more data than usual.
Machine-learning antivirus: Machine-learning pools data from multiple antivirus programs to recognize threats that it hasn’t seen before—an advantage over signature-based antivirus.

Given these abilities, why does antivirus not cover all the bases?

Signature-based antivirus can only protect you against the threats that were programmed into it. It has no defenses against new threats or zero-day exploits.
There are plenty of free antivirus software programs out there, and, while better than nothing, their database of malware signatures to check against is usually quite small. This drastically reduces the amount of threats it can protect you against.
Antivirus doesn’t protect users against phishing attacks. A 2020 report by Check Point Research found that 65% of US organizations suffered a successful phishing attack in 2019—that’s two out of every three businesses!
Most users don’t have antivirus on their phones or tablets, potentially leaving their device—and your network—vulnerable to attack.
Cybercriminals represent the dark side of human ingenuity. They’re creative, constantly looking for new ways to get around your antivirus and firewall defenses. Even machine-learning antivirus software relies on combinations of data points. If an attacker figures out what combination will alert your antivirus to his presence, all he has to do is change one data point to trick it into marking him as legitimate traffic.

What You Can Do

Update your firewall and antivirus regularly. Software patches and updates serve to reduce your system’s vulnerability and increase your software’s ability to identify and repel attacks.
Develop a multi-layer security program. To return to the bank illustration, which bank would you trust with your money? A bank with one aged security guard? Or one with a whole patrol of security guards, cameras, alarm systems, biometric locks, and a dedicated monitoring team? Every security measure you add—SIEM, traffic analyzer, log management, SOC services, etc.—makes your organization that much stronger and more secure.
Provide regular awareness training for your employees. Modern phishing and social engineering attacks are very sophisticated, and can be hard to identify. Just like your firewall and antivirus need to be updated frequently to stay effective, so does your team. A structured training program, either monthly or quarterly, can help your team recognize and repel attacks on your network.
Don’t ‘set it and forget it’. Overconfidence or the feeling that you’ve already taken steps to defend your network can lull you into a false sense of security. Criminals are constantly testing new attacks, which calls for constant vigilance on our part to keep our defenses up to date. A third-party firm can conduct a social engineering campaign or penetration test for your organization to identify areas for improvement in your network or team.

FIT Solutions provides IT services, including cybersecurity packages. If you need an IT environment that scales with you, give us a call today at 888-339-5694 or contact us here.

Why “If It Ain’t Broke, Don’t Fix It” Doesn’t Work for IT

Posted on May 12, 2020September 1, 2021 by CT Team

Let’s say you have network equipment that’s been in place for years and is working with minimal or no issues. Paying to maintain service and support on those items might seem like an unnecessary expense. Certainly that’s the way many businesses look at it when scrutinizing the IT budget and looking for items to cut. The logic to justify de-funding those contracts is pretty simple: “If it isn’t broke, why pay to fix it?” However, that is a risky position to take.

Late in 2019, a manufacturer of wireless access points announced that a number of security vulnerabilities — some with a “critical” rating — had been found in its products. They fixed the vulnerabilities in short order and distributed the fixes in the form of software upgrades to the affected products. Here’s the rub: businesses without active support contracts didn’t have access to the upgrades.

Why Service Contracts Are Vital for Critical Infrastructure

The access points in question are widely used in installations that call for reliable, widespread business-class wireless coverage. In other words, they’re an extremely critical element of the infrastructure for organizations that rely on Wi-Fi to run their business. With the prospect of a security vulnerability that would allow an intruder access and potentially bring the entire wireless network down, the seemingly minor risk of letting the service contracts lapse turned into a major risk overnight. All of a sudden, companies were faced with an unbudgeted expense. They either had to re-up the contracts for all of the controllers and access points, or else replace their entire wireless infrastructure.

The same scenario and risks apply to all manner of critical network infrastructure, including switches, routers, firewalls, VPNs and servers. Vulnerabilities are constantly being discovered and patched with updates. We often think of these devices as appliances or hardware, but the reality is, they have software inside that’s meant to be upgraded to improve performance, add features or address security problems. Those devices are at the heart of the network and hold the keys to keeping the business running.

Is the Gamble Worth It?

Many companies do take the risk of running without maintenance agreements on key pieces of network equipment. They have weighed the risks against the costs and reached the conclusion that the gamble is worth taking. While at FIT Solutions we don’t recommend this approach, we do respect that it is a business decision. We are more concerned with businesses that simply allow their service and support contracts to lapse as a cost-cutting measure, without fully understanding the risks and taking them into account.

At FIT Solutions, part of our service is knowing what the vendor policies are with regard to upgrades, support, and service agreements, and keeping track of whether your agreements are active. We use this information to help you understand the risks of running your critical network infrastructure without the benefit of a safety net. Want a true picture of these hidden risks? Give us a call at 888-339-5694 today.

Tag: Cybersecurity