Security Bulletin: Vulnerabilities in Apache Log4j affect IBM App Connect for Manufacturing 2.0 (CVE-2021-45105)

Summary

Vulnerabilities in Apache Log4j affect IBM App Connect for Manufacturing 2.0. An attacker who can control log messages or log message parameters can execute arbitrary code leading to Remote Code Execution (RCE) attacks. IBM App Connect for Manufacturing 2.0 has addressed the vulnerability.

Vulnerability Details

CVEID:CVE-2021-45105
**DESCRIPTION:**Apache Log4j is vulnerable to a denial of service, caused by the failure to protect from uncontrolled recursion from self-referential lookups. A remote attacker with control over Thread Context Map (MDC) input data could craft malicious input data that contains a recursive lookup to cause a StackOverflowError that will terminate the process. Note: The vulnerability is also called LOG4J2-3230.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215647 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by applying the patches listed in this table. This superceeds apar IT39379

Interim fix for APAR (IT39451) is available from

2.0.0.5 IBM Fix Central

2.0.0.6 IBM Fix Central

2.0.0.7 IBM Fix Central

Workarounds and Mitigations

None