Security Bulletin: OpenSource MIT Kerberos Vulnerabilities affect IBM Security Access Manager for Web (CVE-2015-2695, CVE-2015-2696)

Security Bulletin

Summary

IBM Security Access Manager for Web is affected by MIT Kerberos vulnerabilities.

Vulnerability Details

CVEID: CVE-2015-2695
DESCRIPTION: MIT Kerberos is vulnerable to a denial of service, caused by a pointer type error in the GSS-API library. By sending a specially crafted gss_inquire_context() call on a partially-established SPNEGO context, a remote attacker could exploit this vulnerability to cause the process to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/107874 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2015-2696
DESCRIPTION: MIT Kerberos is vulnerable to a denial of service, caused by a pointer type error in the GSS-API library. By sending a specially crafted gss_inquire_context() call on a partially-established IAKERB context, a remote attacker could exploit this vulnerability to cause the process to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/107875 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM Security Access Manager for Web 7.0

IBM Security Access Manager for Web 8.0, all firmware versions

IBM Security Access Manager 9.0, all firmware versions

Remediation/Fixes

IBM has provided patches for all affected versions. Follow the installation instructions in the README files included with the patch.

Product	VRMF	APAR	Remediation
IBM Security Access Manager for Web	7.0 (software)	IV84606	Apply Interim Fix 24: 7.0.0-ISS-SAM-IF0024
IBM Security Access Manager for Web	7.0 (appliance)	IV84606	Apply Interim Fix 24: 7.0.0-ISS-WGA-IF0024
IBM Security Access Manager for Web	8.0.0.0 - 8.0.1.3	IV84727	Upgrade to 8.0.1.4: 8.0.1-ISS-WGA-FP0004
IBM Security Access Manager	9.0	IV84711	Upgrade to 9.0.1.0: IBM Security Access Manager V9.0.1 Multiplatform, Multilingual (CRW4EML)

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Acknowledgement

None.

Change History

May 10, 2016: Original version published

*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.

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Tips

Security Bulletin: OpenSource MIT Kerberos Vulnerabilities affect IBM Security Access Manager for Web (CVE-2015-2695, CVE-2015-2696)