Security Bulletin
Summary
Apache Log4j vulnerability CVE-2021-45046 was addressed by IBM Secure External Authentication Server. Customers are encourages to take action and apply the fix below.
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
| Product(s) | Version(s) |
| IBM Secure External Authentication Server | 6.0.3 |
| IBM Secure External Authentication Server | 6.0.2 |
Remediation/Fixes
IBM strongly recommends addressing the vulnerability now by applying the appropriate fix below.
| Product | VRMF | iFix | Remediation |
| IBM Secure External Authentication Server | 6.0.3 | iFix 01 Plus | Fix Central - 6030 |
| IBM Sterling External Authentication Server | 6.0.2 | iFix 04 Plus | Fix Central - 6020 |
The fixes above supply Apache Log4j 2.16.0 which remediates both CVE-2021-44228 and CVE-2021-45046. The Fix Central - SSP 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
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References
Change History
21 Dec 2021: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
21 December 2021
Initial Publish date:
21 December 2021
UID
ibm16529538