Security Bulletin: Apache Log4j Vulnerability Afffects IBM Secure Proxy (CVE-2021-45046)

Summary

An Apache Log4j vulnerability allowing a remote attacker to execute arbitrary code on the system was addressed by IBM Secure Proxy.

Vulnerability Details

CVEID:CVE-2021-45046
**DESCRIPTION:**Apache Log4j could result in remote code execution, caused by an incomplete fix of CVE-2021-44228 in certain non-default configurations. When the logging configuration uses a non-default Pattern Layout with a Context Lookup, an attacker with control over Thread Context Map (MDC) input data can craft malicious input data using a JNDI Lookup pattern to leak sensitive information and remote code execution in some environments and local code execution in all environments.
CVSS Base score: 9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215195 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

The fixes above supply Apache Log4j 2.16.0 which remediates both CVE-2021-44228 and CVE-2021-45046. The Fix Central - 6030 link also points to a fix called SSP-log4j-2.16.0-jars-for-CVE-2021-45046 which supplies the jars and instructions to replace them.

Workarounds and Mitigations

None