Security Bulletin: Vulnerability in netcf affects PowerKVM (CVE-2014-8119)

Security Bulletin

Summary

PowerKVM is affected by a vulnerability in netcf. This vulnerability is now fixed.

Vulnerability Details

CVEID: CVE-2014-8119
DESCRIPTION: The netcfg package in Linux is vulnerable to a denial of service, caused by the improper processing of XPath expressions by the find_ifcfg_path() function. A remote authenticated attacker could exploit this vulnerability using a specially crafted interface name to cause the application using netcf to crash.
CVSS Base Score: 4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/110664 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:S/C:N/I:N/A:P)

Affected Products and Versions

PowerKVM 2.1 and PowerKVM 3.1

Remediation/Fixes

Customers can update PowerKVM systems by using "yum update".

Fix images are made available via Fix Central. For version 3.1, see https://ibm.biz/BdHggw for 3.1 service build 3 or later.

For version 2.1, the fix is made available via Fix Central (https://ibm.biz/BdEnT8) in 2.1.1 Build 65.6 and all later 2.1.1 SP3 service builds and 2.1.1 service packs. Customers running v2.1 are, in any case, encouraged to upgrade to v3.1.

For v2.1 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 for prerequisite fixes and instructions.

Workarounds and Mitigations

v2.1 customers can work around the problem by upgrading to the fixed release of v3.1

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References

Complete CVSS v2 Guide
On-line Calculator v2

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Change History

29 January 2016 - Initial Version

*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: Vulnerability in netcf affects PowerKVM (CVE-2014-8119)