Public Date:
602455: CVE-2010-2242 libvirt: improperly mapped source privileged ports may allow for obtaining privileged resources on the host

The MITRE CVE dictionary describes this issue as:

Red Hat libvirt 0.2.0 through 0.8.2 creates iptables rules with improper mappings of privileged source ports, which allows guest OS users to bypass intended access restrictions by leveraging IP address and source-port values, as demonstrated by copying and deleting an NFS directory tree.

Find out more about CVE-2010-2242 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 1.5
Base Metrics AV:L/AC:M/Au:S/C:N/I:P/A:N
Access Vector Local
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux Virtualization version 5 (libvirt) RHSA-2010:0615 2010-08-10

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 libvirt Not affected
Red Hat Enterprise Linux 5 libvirt Affected


Red Hat would like to thank Jeremy Nickurak for reporting this issue.