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Security Bulletin: IBM Sterling Connect:Direct Web Services is vulnerable to untrusted data deserialization due to Apache Log4j (CVE-2021-4104)

Security Bulletin


Summary

Apache Log4j is used by IBM Sterling Connect:Direct Web Services as part of its logging infrastructure. JMSAppender in Apache Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. The fix includes Apache Log4j 2.17.1

Vulnerability Details

CVEID:   CVE-2021-4104
DESCRIPTION:   Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of untrusted data when the attacker has write access to the Log4j configuration. If the deployed application is configured to use JMSAppender, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215048 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Sterling Connect:Direct Web Services1.0
IBM Sterling Connect:Direct Web Services6.0

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by upgrading.

Product(s)Version(s)Remediation/Fix
IBM Sterling Connect:Direct Web Services1.0, 6.0Apply 6.0.0.6, available  on Fix Central

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

Acknowledgement

Change History

31 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

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SS7KR7","label":"IBM Connect:Direct Web Services"},"Component":"","Platform":[{"code":"PF033","label":"Windows"},{"code":"PF027","label":"Solaris"},{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"}],"Version":"6.0","Edition":"","Line of Business":{"code":"LOB59","label":"Sustainability Software"}}]

Document Information

Modified date:
18 February 2022

Initial Publish date:
31 January 2022

UID

ibm16557198

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