CVE-2010-2242

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-08-19 · updated 2026-06-16
Weakness: CWE-264

Description

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.

Affected products

Libvirt: 0.2.0, 0.2.1, 0.2.2, 0.2.3, 0.3.0, 0.3.1 (+27)

References

http://libvirt.org/news.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044520.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044579.html
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
http://ubuntu.com/usn/usn-1008-1
http://ubuntu.com/usn/usn-1008-2
http://ubuntu.com/usn/usn-1008-3
http://www.redhat.com/support/errata/RHSA-2010-0615.html
http://www.vupen.com/english/advisories/2010/2062
http://www.vupen.com/english/advisories/2010/2763
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/591943
https://bugzilla.redhat.com/show_bug.cgi?id=602455

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