Security Bulletin: Vulnerability in lcms affects PowerKVM (CVE-2015-4276)

Summary

PowerKVM is affected by a vulnerability in little cms (CVE-2015-4276). This vulnerability is now fixed.

Vulnerability Details

CVEID: CVE-2013-4276**
DESCRIPTION:** Little CMS is vulnerable to multiple stack-based buffer overflows, caused by improper bounds checking by the ColorSpace conversion calculator and TIFF compare utility. By persuading a victim to open a specially-crafted ICC color profile/TIFF image format file, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 6.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/87139 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P)

Affected Products and Versions

PowerKVM v2.1

Remediation/Fixes

Fix is made available via Fix Central (https://ibm.biz/BdEnT8) in 2.1.1 Build 65.1 and all later 2.1.1 SP3 service builds and 2.1.1 fix packs. For systems currently running fix levels of PowerKVM prior to 2.1.1, please see <http://download4.boulder.ibm.com/sar/CMA/OSA/05e4c/0/README&gt; for prerequisite fixes and instructions. Customers can also update from 2.1.1 (GA and later levels) by using “yum update”

Workarounds and Mitigations

None