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medium5.9

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 libv…

Impact

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.

Affected products

VendorProductAffected versions
CanonicalUbuntu Linux
Versions 12.04, 14.04, 15.04, 15.10
RedhatLibvirt
Version 0.9.8

Weakness classification

CWE-284

References