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Last updated: 10/22/2014 2:22:44 AM

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Vulnerability Summary for CVE-2012-4423

Original release date: 11/19/2012
Last revised: 03/07/2013
Source: US-CERT/NIST

Overview

The virNetServerProgramDispatchCall function in libvirt before 0.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and segmentation fault) via an RPC call with (1) an event as the RPC number or (2) an RPC number whose value is in a "gap" in the RPC dispatch table.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: FEDORA
Name: FEDORA-2012-15640
External Source: BID
Name: 55541
External Source: CONFIRM
Name: http://libvirt.org/git/?p=libvirt.git;a=commit;h=b7ff9e696063189a715802d081d55a398663c15a
External Source: CONFIRM
Name: http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=f8fbeb50d52520a109d71c8566fed2ea600650ec
External Source: FEDORA
Name: FEDORA-2012-15634
External Source: SECTRACK
Name: 1027649
External Source: MLIST
Name: [libvirt] 20120912 [PATCH] Fix libvirtd crash possibility
External Source: REDHAT
Name: RHSA-2012:1359
External Source: UBUNTU
Name: USN-1708-1
External Source: SUSE
Name: openSUSE-SU-2013:0274
External Source: MLIST
Name: [oss-security] 20120913 Re: CVE Request -- libvirt: null function pointer invocation in virNetServerProgramDispatchCall()
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=857133

Vulnerable software and versions

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Collapse Configuration 1Configuration 1
Collapse OROR
* cpe:/a:redhat:libvirt:0.8.8
* cpe:/a:redhat:libvirt:0.6.4
* cpe:/a:redhat:libvirt:0.6.5
* cpe:/a:redhat:libvirt:0.9.1
* cpe:/a:redhat:libvirt:0.9.0
* cpe:/a:redhat:libvirt:0.1.9
* cpe:/a:redhat:libvirt:0.2.0
* cpe:/a:redhat:libvirt:0.1.7
* cpe:/a:redhat:libvirt:0.1.8
* cpe:/a:redhat:libvirt:0.2.3
* cpe:/a:redhat:libvirt:0.3.0
* cpe:/a:redhat:libvirt:0.2.1
* cpe:/a:redhat:libvirt:0.2.2
* cpe:/a:redhat:libvirt:0.1.0
* cpe:/a:redhat:libvirt:0.1.1
* cpe:/a:redhat:libvirt:0.0.5
* cpe:/a:redhat:libvirt:0.0.6
* cpe:/a:redhat:libvirt:0.1.5
* cpe:/a:redhat:libvirt:0.1.6
* cpe:/a:redhat:libvirt:0.1.3
* cpe:/a:redhat:libvirt:0.1.4
* cpe:/a:redhat:libvirt:0.5.1
* cpe:/a:redhat:libvirt:0.8.0
* cpe:/a:redhat:libvirt:0.5.0
* cpe:/a:redhat:libvirt:0.8.1
* cpe:/a:redhat:libvirt:0.4.6
* cpe:/a:redhat:libvirt:0.8.2
* cpe:/a:redhat:libvirt:0.8.3
* cpe:/a:redhat:libvirt:0.4.5
* cpe:/a:redhat:libvirt:0.6.3
* cpe:/a:redhat:libvirt:0.6.2
* cpe:/a:redhat:libvirt:0.6.1
* cpe:/a:redhat:libvirt:0.6.0
* cpe:/a:redhat:libvirt:0.4.0
* cpe:/a:redhat:libvirt:0.3.3
* cpe:/a:redhat:libvirt:0.3.2
* cpe:/a:redhat:libvirt:0.3.1
* cpe:/a:redhat:libvirt:0.8.4
* cpe:/a:redhat:libvirt:0.4.4
* cpe:/a:redhat:libvirt:0.8.5
* cpe:/a:redhat:libvirt:0.4.3
* cpe:/a:redhat:libvirt:0.8.6
* cpe:/a:redhat:libvirt:0.4.2
* cpe:/a:redhat:libvirt:0.8.7
* cpe:/a:redhat:libvirt:0.4.1
* cpe:/a:redhat:libvirt:0.9.8
* cpe:/a:redhat:libvirt:0.0.2
* cpe:/a:redhat:libvirt:0.9.9
* cpe:/a:redhat:libvirt:0.0.1
* cpe:/a:redhat:libvirt:0.9.10
* cpe:/a:redhat:libvirt:0.0.4
* cpe:/a:redhat:libvirt:0.0.3
* cpe:/a:redhat:libvirt:0.9.4
* cpe:/a:redhat:libvirt:0.7.2
* cpe:/a:redhat:libvirt:0.9.5
* cpe:/a:redhat:libvirt:0.7.3
* cpe:/a:redhat:libvirt:0.9.6
* cpe:/a:redhat:libvirt:0.7.0
* cpe:/a:redhat:libvirt:0.9.7
* cpe:/a:redhat:libvirt:0.7.1
* cpe:/a:redhat:libvirt:0.7.6
* cpe:/a:redhat:libvirt:0.9.12
* cpe:/a:redhat:libvirt:0.7.7
* cpe:/a:redhat:libvirt:0.9.11
* cpe:/a:redhat:libvirt:0.7.4
* cpe:/a:redhat:libvirt:0.9.3
* cpe:/a:redhat:libvirt:0.7.5
* cpe:/a:redhat:libvirt:0.9.2
* cpe:/a:redhat:libvirt:0.9.13
* cpe:/a:redhat:libvirt:0.10.0
* cpe:/a:redhat:libvirt:0.10.1 and previous versions
* Denotes Vulnerable Software
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Technical Details

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