Test ID:	1.3.6.1.4.1.25623.1.0.845175
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-5203-1)
Summary:	The remote host is missing an update for the 'apache-log4j2' package(s) announced via the USN-5203-1 advisory.
Description:	Summary: The remote host is missing an update for the 'apache-log4j2' package(s) announced via the USN-5203-1 advisory. Vulnerability Insight: Hideki Okamoto and Guy Lederfein discovered that Apache Log4j 2 did not protect against infinite recursion in lookup evaluation. A remote attacker could possibly use this issue to cause Apache Log4j 2 to crash, leading to a denial of service. Please see the following link for more information: [link moved to references] Affected Software/OS: 'apache-log4j2' package(s) on Ubuntu 20.04, Ubuntu 21.04, Ubuntu 21.10. Solution: Please install the updated package(s). CVSS Score: 4.3 CVSS Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-45105 CERT/CC vulnerability note: VU#930724 https://www.kb.cert.org/vuls/id/930724 Cisco Security Advisory: 20211210 Vulnerabilities in Apache Log4j Library Affecting Cisco Products: December 2021 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbd https://cert-portal.siemens.com/productcert/pdf/ssa-479842.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-501673.pdf https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032 https://security.netapp.com/advisory/ntap-20211218-0001/ Debian Security Information: DSA-5024 (Google Search) https://www.debian.org/security/2021/dsa-5024 https://logging.apache.org/log4j/2.x/security.html https://www.oracle.com/security-alerts/cpuapr2022.html https://www.oracle.com/security-alerts/cpujan2022.html https://www.oracle.com/security-alerts/cpujul2022.html https://www.zerodayinitiative.com/advisories/ZDI-21-1541/ http://www.openwall.com/lists/oss-security/2021/12/19/1
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