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CVE-2012-4423

Date: November 19, 2012

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.

Language: C

Severity Score

Related Resources (15)

http://www.openwall.com/lists/oss-security/2012/09/13/14
http://www.securitytracker.com/id?1027649
https://access.redhat.com/security/cve/CVE-2012-4423
https://nvd.nist.gov/vuln/detail/CVE-2012-4423
http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=b7ff9e696063189a715802d081d55a398663c15a
https://bugzilla.redhat.com/show_bug.cgi?id=857133
http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00001.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090121.html
https://www.redhat.com/archives/libvir-list/2012-September/msg00843.html
http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=f8fbeb50d52520a109d71c8566fed2ea600650ec
http://www.ubuntu.com/usn/USN-1708-1
http://www.securityfocus.com/bid/55541
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089976.html
http://rhn.redhat.com/errata/RHSA-2012-1359.html
https://www.mend.io/vulnerability-database/CVE-2012-4423

Severity Score

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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