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Security Bulletin: Apache Log4j vulnerability affects IBM Sterling External Authentication Server (CVE-2021-44832)

Security Bulletin


Summary

IBM Sterling External Authentication Server is vulnerable to an arbitrary code execution due to Apache Log4j, which is used for logging (CVE-2021-44832). The fix includes Apache Log4j 2.17.1.

Vulnerability Details

CVEID:   CVE-2021-44832
DESCRIPTION:   Apache Log4j could allow a remote attacker with permission to modify the logging configuration file to execute arbitrary code on the system. By constructing a malicious configuration using a JDBC Appender with a data source referencing a JNDI URI , an attacker could exploit this vulnerability to execute remote code.
CVSS Base score: 6.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/216189 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Sterling External Authentication Server6.0.3
IBM Sterling External Authentication Server6.0.2

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now.

ProductVRMFiFixRemediation
IBM Sterling External Authentication Server6.0.3iFix 01 Plus Build 141Fix Central - 6030
IBM Sterling External Authentication Server6.0.2iFix 04 Plus Build 214Fix Central - 6020

The Fix Central - 6030 link points to a fix called SSP-SEAS-log4j-2.17.1-jars-for-CVE-2021-44832 which supplies the jars and instructions to replace them.  This fix remediates CVE-2021-44228, CVE-2021-45046, CVE-2021-45105 and CVE-2021-44832.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

07 Jan 2022: 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:
07 January 2022

Initial Publish date:
07 January 2022

UID

ibm16538684

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