Denial Of Service (DoS)

log4j is vulnerable to denial of service. An attacker with control over Thread Context Map MDC input data is able to cause a denial of service by causing a StackOverflowError that will terminate the process. This is due to uncontrolled recursion from self-referential lookups when the logging...

Security Bulletin: IBM Sterling Configure, Price, Quote uses Apache Log4j 2.x which is subject to CVE-2021-44228.

Summary IBM Sterling Configure, Price, Quote uses Apache Log4j to log messages. Log message parameters could execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. Vulnerability Details CVEID: CVE-2021-44228 DESCRIPTION: Apache Log4j could allow a remote...

Conti Ransomware Group Exploiting Log4j Vulnerability

By Deeba Ahmed These attacks started on December 13 in which the group focused on targeting VMWare vCenter servers. This is a post from HackRead.com Read the original post: Conti Ransomware Group Exploiting Log4j Vulnerability...

Security Bulletin: Automation Assets in IBM Cloud Pak for Integration is vulnerable to log4j (CVE-2021-44228)

Summary A vulnerability has been identified in Apache Log4j. Automation Assets in IBM Cloud Pak for integration utilizes Log4j CVE-2021-44228. Vulnerability Details CVEID: CVE-2021-44228 DESCRIPTION: Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the...

Buckle Up for More Log4j Madness

Plus: An alleged spy, a ransomware arrest, and more of the week's top security news...

Exploit for Improper Input Validation in Apache Log4J

Log4j2 DOS CVE-2021-45105 Poc $$::-$::-$$::-$...

Exploit for Uncontrolled Resource Consumption in Siemens 6Bk1602-0Aa12-0Tp0_Firmware

Self-contained lab environment PoC that runs a reverse-shell w...

New Local Attack Vector Expands the Attack Surface of Log4j Vulnerability

Cybersecurity researchers have discovered an entirely new attack vector that enables adversaries to exploit the Log4Shell vulnerability on servers locally by using a JavaScript WebSocket connection. "This newly-discovered attack vector means that anyone with a vulnerable Log4j version on their...

DEBIAN-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...

CVE-2021-45105 Apache Log4j2 does not always protect from infinite recursion in lookup evaluation

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 does not always protect from infinite recursion in lookup evaluation

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...

Apache Issues 3rd Patch to Fix New High-Severity Log4j Vulnerability

The issues with Log4j continued to stack up as the Apache Software Foundation ASF on Friday rolled out yet another patch — version 2.17.0 — for the widely used logging library that could be exploited by malicious actors to stage a denial-of-service DoS attack. Tracked as CVE-2021-45105 CVSS score...

Security Bulletin: Apache-Log4j (Publicly disclosed vulnerability)

Summary There is a vulnerability in Apache-Log4j that impacts IBM Tivoli Application Dependency Discovery Manager TADDM. Vulnerability Details CVEID: CVE-2019-17571 DESCRIPTION: Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by improper deserialization ...

[SECURITY] Fedora 35 Update: log4j-2.16.0-1.fc35

Log4j is a tool to help the programmer output log statements to a variety of output targets...

openSUSE 15 Security Update : log4j (openSUSE-SU-2021:4111-1)

The remote SUSE Linux SUSE15 host has a package installed that is affected by a vulnerability as referenced in the openSUSE-SU-2021:4111-1 advisory. - JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. The...

PT-2021-5610

Name of the Vulnerable Software and Affected Versions Apache Log4j2 versions 2.0-beta7 through 2.17.0 excluding security fix releases 2.3.2 and 2.12.4 Description The issue is related to the absence of additional access control elements for JNDI in the Apache Log4j2 library. This can allow a remo...

Apache Log4j 2.x < 2.17.0 DoS Vulnerability (Linux/Unix, Dec 2021) - Version Check

Apache Log4j is prone to a denial of service DoS vulnerability. SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:apache:log4j";...

Critical: java-1.8.0-openjdk, java-1.7.0-openjdk, java-1.6.0-openjdk

Issue Overview: No versions of an Amazon Linux Java Virtual Machine JVM are affected by CVE-2021-44228 or CVE-2021-45046. However, if customers load a log4j version that is affected by CVE-2021-44228 or CVE-2021-45046 into an Amazon Linux JVM, it will introduce the issues identified in...

openSUSE 15 Security Update : log4j12 (openSUSE-SU-2021:4112-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2021:4112-1 advisory. - JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. The...