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Security Bulletin: IBM Sterling External Authentication Server is vulnerable to improper validation of certificates

Security Bulletin


Summary

IBM Sterling External Authentication Server does not properly ensure that a certificate is actually associated with the host due to improper validation of certificates.

Vulnerability Details

CVEID:   CVE-2021-29726
DESCRIPTION:   IBM Sterling Secure Proxy does not properly ensure that a certificate is actually associated with the host due to improper validation of certificates.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/201104 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

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

Remediation/Fixes

ProductVersioniFixRemediation Location
IBM Sterling External Authentication Server6.0.3.0iFix 3Fix 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

Change History

16 May 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":"SS6PNW","label":"Sterling Secure Proxy"},"Component":"Sterling External Authentication Server","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF051","label":"Linux on IBM Z Systems"},{"code":"PF033","label":"Windows"},{"code":"PF010","label":"HP-UX"},{"code":"PF027","label":"Solaris"}],"Version":"6.0.3","Edition":"","Line of Business":{"code":"LOB59","label":"Sustainability Software"}}]

Document Information

Modified date:
16 May 2022

UID

ibm16586756

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