Vulnerability Details CVE-2011-4600
The networkReloadIptablesRules function in network/bridge_driver.c in libvirt before 0.9.9 does not properly handle firewall rules on bridge networks when libvirtd is restarted, which might allow remote attackers to bypass intended access restrictions via a (1) DNS or (2) DHCP query.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 56.8%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 4.3
References
- http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=ae1232b298323dd7bef909426e2ebafa6bca9157
- http://libvirt.org/news-2012.html
- http://www.ubuntu.com/usn/USN-2867-1
- https://bugzilla.redhat.com/show_bug.cgi?id=760442
- http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=ae1232b298323dd7bef909426e2ebafa6bca9157
- http://libvirt.org/news-2012.html
- http://www.ubuntu.com/usn/USN-2867-1
- https://bugzilla.redhat.com/show_bug.cgi?id=760442
Products affected by CVE-2011-4600
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cpe:2.3:a:redhat:libvirt:0.9.8
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cpe:2.3:o:canonical:ubuntu_linux:12.04
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:15.04
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cpe:2.3:o:canonical:ubuntu_linux:15.10