Security Bulletin: Vulnerabilities in NetworkManager affect PowerKVM (CVE-2015-0272,CVE-2015-2924)

Security Bulletin

Summary

PowerKVM is affected by vulnerabilities in NetworkManager. These vulnerabilities are now fixed.

Vulnerability Details

CVEID: CVE-2015-0272
DESCRIPTION: GNOME NetworkManager is vulnerable to a denial of service. A remote attacker could exploit this vulnerability using a specially crafted MTU value in an IPv6 Router Advertisement (RA) message to cause a denial of service.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/109465 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-2015-2924
DESCRIPTION: NetworkManager is vulnerable to a denial of service, caused by the improper handling of Router Advertisements. A remote attacker from within the local network could exploit this vulnerability to set the hop_limit too low and cause a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/102132 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:A/AC:L/Au:N/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 3.1.0.1 update 1 or later.

For version 2.1, see PowerKVM 2.1.1.3-65.8 Update https://ibm.biz/BdEnT8 and all later 2.1.1 service updates. 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.

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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

9 March 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: Vulnerabilities in NetworkManager affect PowerKVM (CVE-2015-0272,CVE-2015-2924)