Security Bulletin: IBM Security Access Manager appliances are affected by a vulnerability in the libgcrypt library (CVE-2016-6313)

Security Bulletin

Summary

A vulnerability has been identified in the libgcrypt library. IBM Security Access Manager appliances use the libgcrypt library and are affected by this vulnerability.

Vulnerability Details

CVEID: CVE-2016-6313
DESCRIPTION: GnuPG could provide weaker than expected security, caused by an error in the mixing functions when obtaining 4640 bits from the random number generator. A local attacker could exploit this vulnerability to predict the next 160 bits of output.
CVSS Base Score: 4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116169 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

IBM Security Access Manager for Web 7.0 appliances, all firmware versions.

IBM Security Access Manager for Web 8.0 appliances, all firmware versions.

IBM Security Access Manager for Mobile 8.0 appliances, all firmware versions.

IBM Security Access Manager 9.0 appliances, 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 (appliance)	IV93302	Apply Interim Fix 28: 7.0.0-ISS-WGA-IF0028
IBM Security Access Manager for Web	8.0.0.0 - 8.0.1.5	IV93202	1. For versions prior to 8.0.1.5, upgrade to 8.0.1.5: 8.0.1-ISS-WGA-FP0005 2. Upgrade to 8.0.1.5 IF 1: 8.0.1.5-ISS-WGA-IF0001
IBM Security Access Manager for Mobile	8.0.0.0 - 8.0.1.5	IV93277	1. For versions prior to 8.0.1.5, upgrade to 8.0.1.5: 8.0.1-ISS-ISAM-FP0005 2. Upgrade to 8.0.1.5 IF 1: 8.0.1.5-ISS-ISAM-IF0001
IBM Security Access Manager	9.0 - 9.0.2.0	IV93202	1. For versions prior to 9.0.2.1, upgrade to 9.0.2.1: 9.0.2-ISS-ISAM-FP0001 2. Upgrade to 9.0.2.1 IF 1: 9.0.2.1-ISS-ISAM-IF0001

Workarounds and Mitigations

None.

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

March 1, 2017: 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: IBM Security Access Manager appliances are affected by a vulnerability in the libgcrypt library (CVE-2016-6313)