A third Log4j2 vulnerability was disclosed the night between Dec 17 and 18 by the Apache security team, and was given the ID of CVE-2021-45105. According to the security advisory, 2.16.0, which fixed the two previous vulnerabilities, is susceptible to a DoS attack caused by a Stack-Overflow in Context Lookups in the configuration file’s layout patterns. What is this CVE about? What can you do to fix it? How does it differ from the previous CVEs?

PHP is by far the most widely used server-side programming language. Security threats surrounding PHP applications have been in the news because PHP captures over 80% of the internet with over 10 million websites built. It’s no wonder that with such a massive usage, PHP is also one of the most targeted and exploited languages, as shown in the below statistics.

The role of the modern CISO is more than understanding the technical side of the business. In fact, the role consists of even more than understanding the business side of the business. When I spoke with Ian Thornton-Trump, he was able to shed light on how important effective communication and team-building are to the overall success of a modern CISO. His insights can be valuable to any person currently in a CISO position and also to anyone looking to embark on the path to becoming a successful CISO.

Log4j, Log4j, Log4j. Let’s see you say that 10 times fast. If you can’t, then you may need to learn because Log4j is on the tips of everyone’s tongues right now. In fact, people are calling Log4j the biggest security breach since Tutar, Borat’s movie daughter, sneaked into The White House and had a lively face-to-face conversation with President Trump.

Log4j, Log4j, Log4j. Let’s see you say that 10 times fast. If you can’t, then you may need to learn because Log4j is on the tips of everyone’s tongues right now. In fact, people are calling Log4j the biggest security breach since Tutar, Borat’s movie daughter, sneaked into The White House and had a lively face-to-face conversation with President Trump.

Overnight, it was disclosed by Apache that Log4j version 2.16 is also vulnerable by way of a Denial of Service attack with the impact being a full application crash, the severity for this is classified as High (7.5). Snyk is currently not aware of any fully-fledged PoCs or exploits in circulation. CVE-2021-45105 has been issued, and a new fixed version (2.17) has been published by Apache which we recommend upgrading to.

We have published an initial blog on the Log4j exploit and a followup blog with a second detection method for detecting the first stage of exploits occurring over LDAP. Today, we will discuss a third detection method, this one focused on the second-stage download that happens after the first stage completes. In this case, the JVM will download additional Java code payloads over HTTP.

It’s Clint Pollock, principal solutions architect, here for the final lesson in the four-part series on how to use Veracode from the command line in the Cloud9 IDE to submit a software composition analysis (SCA) scan and a dynamic scan. To start, if you’re looking to leverage the Veracode API signing docker image with the Veracode rest APIs, go to the Help Center, go to the Rest API section, and take a look at the available options.