News • Insights • Analysis
Log4j is a ubiquitous piece of software used to record activities in a wide range of systems found in consumer-facing products and services. Recently, a serious vulnerability in the popular Java logging package, Log4j (CVE-2021-44228) was disclosed, posing a severe Read More …
Since the vulnerability was announced, CrowdStrike’s OverWatch threat hunters have been continuously ingesting the latest insights about the Log4j vulnerability as well as publicly disclosed exploit methods to influence their continuous hunting operations. On Dec. 14, 2021, VMware issued guidance Read More …
Since its disclosure on Dec. 9, a vast number of articles have been written on the remote code execution (RCE) vulnerability in the library Apache Log4j — a reflection of its impact. The library is used by innumerable programs to Read More …
The Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), National Security Agency (NSA), Australian Cyber Security Centre (ACSC), Canadian Centre for Cyber Security (CCCS), the Computer Emergency Response Team New Zealand (CERT NZ), the New Zealand Read More …
Log4j poses some deep challenges to IT. In this article I’ll discuss some tactical measures people are already taking now and over the next week or two, and some strategic guidance for what to do after the immediate crisis abates. Read More …
WASHINGTON – This afternoon, the Cybersecurity and Infrastructure Security Agency (CISA) held a call with critical infrastructure entities from the public and private sectors to emphasize the importance of remaining vigilant against cyber threats over the holiday season, particularly with Read More …
Apache has released version 2.17.0 of the patch for Log4j after discovering issues with their previous release, which came out on Tuesday. Apache said version 2.16 “does not always protect from infinite recursion in lookup evaluation” and explained that it Read More …
WASHINGTON – The Cybersecurity and Infrastructure Security Agency (CISA) issued Emergency Directive (ED) 22-02 today requiring federal civilian departments and agencies to assess their internet-facing network assets for the Apache Log4j vulnerabilities and immediately patch these systems or implement other appropriate mitigation measures. This Directive will be updated to further drive additional mitigation actions. The Read More …
A second vulnerability involving Apache Log4j was found on Tuesday after cybersecurity experts spent days attempting to patch or mitigate CVE-2021-44228. The description of the new vulnerability, CVE 2021-45046, says the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was Read More …
CISA and its partners, through the Joint Cyber Defense Collaborative, are responding to active, widespread exploitation of a critical remote code execution (RCE) vulnerability (CVE-2021-44228) in Apache’s Log4j software library, versions 2.0-beta9 to 2.14.1, known as “Log4Shell” and “Logjam.” Log4j Read More …
