log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228)

A flaw was found in the Apache Log4j logging library in versions from 2.0.0 and before 2.16.0. A remote attacker with control over Thread Context Map MDC input data could craft malicious input using a JNDI Lookup pattern resulting in remote code execution RCE in a limited number of environments...

Low: Red Hat Security Advisory: Red Hat OpenShift Enterprise Logging security and bug fix update (5.0.11)

An update is now available for OpenShift Logging 5.0.11 Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the...

Debian DLA-2852-1 : apache-log4j2 - LTS security update

The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2852 advisory. Several security vulnerabilities were found in Apache Log4j2, a Logging Framework for Java, which could lead to a denial of service or information disclosure...

FreeBSD : OpenSearch -- Log4Shell (b0f49cb9-6736-11ec-9eea-589cfc007716)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the b0f49cb9-6736-11ec-9eea-589cfc007716 advisory. - It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain...

OESA-2021-1474 log4j security update

Log4j is a tool to help the programmer output log statements to a variety of output targets. Security Fixes: Apache Log4j2 versions 2.0-alpha1 through 2.16.0 excluding 2.12.3 did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Threa...

Security Bulletin: Multiple vulnerabilities in Apache log4j affect the IBM WebSphere Application Server which is shipped with IBM Intelligent Operations Center (CVE-2021-4104, CVE-2021-45046).

Summary IBM WebSphere® Application Server is shipped with IBM® Intelligent Operations Center. Information about a security vulnerability affecting IBM WebSphere Application Server has been published in a security bulletin. Vulnerability Details CVEID: CVE-2021-4104 DESCRIPTION: Apache Log4j could...

VulnCheck KEV: CVE-2021-45105

Apache Log4j2 versions 2.0-alpha1 through 2.16.0 excluding 2.12.3 and 2.3.1 did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is interpreted. This...

BSA-2021-1655

Security Advisory ID : BSA-2021-1655 Component : Apache Log4j StrSubstitutor Revision : 1.0 Apache Log4j2 versions 2.0-alpha1 through 2.16.0, excluding 2.12.3, did not protect from uncontrolled recursion from self-referential lookups. When the logging configuration uses a non-default Pattern Layo...

Updated log4j packages fix security vulnerability

Updated log4j packages fix security vulnerability: Apache Log4j2 versions 2.0-alpha1 through 2.16.0 did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is...

Updated log4j packages fix security vulnerability

It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non-default configurations. This could allows attackers with control over Thread Context Map MDC input data when the logging configuration uses a non-default Pattern Layout with either a Context...

CVE-2021-45105

Apache Log4j2 versions 2.0-alpha1 through 2.16.0 excluding 2.12.3 and 2.3.1 did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is interpreted. This issue wa...

Debian DSA-5024-1 : apache-log4j2 - security update

The remote Debian 10 / 11 host has a package installed that is affected by a vulnerability as referenced in the dsa-5024 advisory. It was found that Apache Log4j2, a Logging Framework for Java, did not protect from uncontrolled recursion from self-referential lookups. When the logging configurati...

Apache Log4j2 vulnerable to Improper Input Validation and Uncontrolled Recursion

Apache Log4j2 versions 2.0-alpha1 through 2.16.0 excluding 2.12.3 did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is interpreted. This issue was fixed in...

Code injection

Apache Log4j2 versions 2.0-alpha1 through 2.16.0 excluding 2.12.3 and 2.3.1 did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is interpreted. This issue wa...

CVE-2021-45105

Apache Log4j2 versions 2.0-alpha1 through 2.16.0 excluding 2.12.3 and 2.3.1 did not protect from uncontrolled recursion from self-referential lookups. This allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is interpreted. This issue wa...

PT-2021-5478

Name of the Vulnerable Software and Affected Versions Apache Log4j2 versions 2.0-alpha1 through 2.16.0 excluding 2.12.3 and 2.3.1 Description The issue allows an attacker with control over Thread Context Map data to cause a denial of service when a crafted string is interpreted, due to uncontroll...

openSUSE 15 Security Update : log4j (openSUSE-SU-2021:4094-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:4094-1 advisory. - Apache Log4j2 2.0-beta9 through 2.12.1 and 2.13.0 through 2.15.0 JNDI features used in configuration, log messages, and parameters do not...

Exploit for Expression Language Injection in Apache Log4J

tejas-nagchandi/CVE-2021-45046 Attack !imagehttps://use...

Apache’s Fix for Log4Shell Can Lead to DoS Attacks

As if finding one easily exploited and extremely dangerous flaw in the ubiquitous Java logging library Apache Log4j hadn’t already turned the Internet security community on its ear, researchers now have found a new vulnerability in Apache’s patch issued to mitigate it. Last Thursday security...

Ubuntu 20.04 LTS : Apache Log4j 2 vulnerability (USN-5197-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5197-1 advisory. It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non- default configurations. An attacker could use...