Log4j flaw: Thousands of applications are still vulnerable, warn security researchers

Months on from a critical zero-day vulnerability being disclosed in the widely-used Java logging library Apache Log4j, a significant number of applications and servers are still vulnerable to cyberattacks because security patches haven’t been applied. First detailed in December, the Read More …

What to Do About Log4j

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 …

Apache releases new 2.17.0 patch for Log4j to solve denial of service vulnerability

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 …

Second Log4j vulnerability CVE 2021-45046 discovered, patch already released

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 Issues Apache Log4j Vulnerability Guidance

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 …

Log4j flaw: Nearly half of corporate networks have been targeted by attackers trying to use this vulnerability

The number of attacks aiming to take advantage of the recently disclosed security flaw in the Log4j2 Java logging library continues to grow. The vulnerability (CVE-2021-44228) was publicly disclosed on December 9 and enables remote code execution and access to Read More …

Multiple Vulnerabilities in Apache HTTP Server Affecting Cisco Products

On September 16, 2021, the Apache Software Foundation disclosed five vulnerabilities affecting the Apache HTTP Server (httpd) 2.4.48 and earlier releases. For a description of these vulnerabilities, see the Apache HTTP Server 2.4.49 section of the Apache HTTP Server 2.4 Read More …