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Security Bulletin: Multiple vulnerabilities were detected in IBM Sterling External Authentication Server (CVE-2022-22333, CVE-2022-22349)

Security Bulletin


Summary

There are multiple vulnerabilities in IBM Sterling External Authentication Server detected by internal scans. IBM Sterling External Authentication Server has addressed the applicable vulnerabilities.

Vulnerability Details

CVEID:   CVE-2022-22333
DESCRIPTION:   IBM Sterling Secure Proxy and IBM Sterling External Authentication Server are vulnerable a buffer overflow, due to the Jetty based GUI in the Secure Zone not properly validating the sizes of the form content and/or HTTP headers submitted. A local attacker positioned inside the Secure Zone could submit a specially crafted HTTP request to disrupt service.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219133 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:   CVE-2022-22349
DESCRIPTION:   IBM Sterling External Authentication Server is vulnerable to path traversals, due to not properly validating RESTAPI configuration data. An authorized user could import invalid data which could be used for an attack.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/220144 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Sterling External Authentication Server6.0.3
IBM Sterling External Authentication Server6.0.2
IBM Sterling External Authentication Server3.4.3.2

Remediation/Fixes

ProductVersioniFixRemediation Location
IBM Sterling External Authentication Server6.0.3.0iFix 2Fix Central
IBM Sterling External Authentication Server6.0.2.0iFix 5Fix Central
IBM Sterling External Authentication Server3.4.3.2iFix 14Fix 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

23 Feb 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":"IBM Sterling Secure Proxy"},"Component":"Sterling External Authentication Server","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"},{"code":"PF051","label":"Linux on IBM Z Systems"},{"code":"PF027","label":"Solaris"},{"code":"PF010","label":"HP-UX"}],"Version":"6.0.3.0, 6.0.2.0, 3.4.3.2","Edition":"","Line of Business":{"code":"LOB59","label":"Sustainability Software"}}]

Document Information

Modified date:
23 February 2022

UID

ibm16558928

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