CVE-2011-4600
Published: 31 December 2011
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.
Priority
Status
Package | Release | Status |
---|---|---|
libvirt Launchpad, Ubuntu, Debian |
upstream |
Released
(0.9.9-1)
|
precise |
Released
(0.9.8-2ubuntu17.23)
|
|
trusty |
Not vulnerable
(1.2.2-0ubuntu13.1.14)
|
|
vivid |
Not vulnerable
|
|
wily |
Not vulnerable
|
|
Patches: upstream: http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=ae1232b298323dd7bef909426e2ebafa6bca9157 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.9 |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | High |
Availability impact | None |
Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |