Security Bulletin: IBM Security Access Manager for Web is affected by vulnerabilities in OpenSSH (CVE-2016-3115, CVE-2016-1908)

Security Bulletin

Summary

Vulnerabilities have been identified in OpenSSH. IBM Security Access Manager for Web uses OpenSSH and is affected by these vulnerabilities.

Vulnerability Details

CVEID: CVE-2016-3115
DESCRIPTION: OpenSSH could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by improper validation of user-supplied X11 authentication credentials by the sshd server. By sending specially crafted X11 credential data, an attacker could exploit this vulnerability to inject xauth commands and execute arbitrary commands on the system with the privileges of the victim.
CVSS Base Score: 8.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111431 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2016-1908
DESCRIPTION: OpenSSH could allow a remote authenticated attacker to bypass security restrictions, caused by the improper handling of errors when generating authentication cookies for untrusted X11 forwarding. An attacker could exploit this vulnerability to gain access to the target local X server.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110030 for the current score
CVSS Environmental Score*: Undefined
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

IBM Security Access Manager for Web 7.0 appliances

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 (appliance)	IV86719	Apply Interim Fix 25: 7.0.0-ISS-WGA-IF0025
IBM Security Access Manager for Web	8.0.0.0 - 8.0.1.4	IV86698	1. For versions prior to 8.0.1.4, upgrade to 8.0.1.4: 8.0.1-ISS-WGA-FP0004 2. Apply 8.0.1.4 Interim Fix 1: 8.0.1.4-ISS-WGA-IF0001
IBM Security Access Manager	9.0	IV86693	1. For versions prior to 9.0.1.0, upgrade to 9.0.1.0: IBM Security Access Manager V9.0.1 Multiplatform, Multilingual (CRW4EML) 2. Apply 9.0.1.0 Interim Fix 2: 9.0.1.0-ISS-ISAM-IF0002

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

July 20, 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: IBM Security Access Manager for Web is affected by vulnerabilities in OpenSSH (CVE-2016-3115, CVE-2016-1908)