5.0
MEDIUM
CVE-2012-4423
libvirt NULL pointer dereference DoS vulnerability
Description

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.

INFO

Published Date :

Nov. 19, 2012, 12:10 p.m.

Last Modified :

Nov. 21, 2024, 1:42 a.m.

Remotely Exploitable :

Yes !

Impact Score :

2.9

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2012-4423 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat libvirt
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2012-4423.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2012-4423 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2012-4423 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=b7ff9e696063189a715802d081d55a398663c15a
    Added Reference http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=f8fbeb50d52520a109d71c8566fed2ea600650ec
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089976.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090121.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00001.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2012-1359.html
    Added Reference http://www.openwall.com/lists/oss-security/2012/09/13/14
    Added Reference http://www.securityfocus.com/bid/55541
    Added Reference http://www.securitytracker.com/id?1027649
    Added Reference http://www.ubuntu.com/usn/USN-1708-1
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=857133
    Added Reference https://www.redhat.com/archives/libvir-list/2012-September/msg00843.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 13, 2023

    Action Type Old Value New Value
    Removed Reference http://libvirt.org/git/?p=libvirt.git;a=commit;h=b7ff9e696063189a715802d081d55a398663c15a [No Types Assigned]
    Removed Reference http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=f8fbeb50d52520a109d71c8566fed2ea600650ec [No Types Assigned]
    Added Reference http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=b7ff9e696063189a715802d081d55a398663c15a [No Types Assigned]
    Added Reference http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=f8fbeb50d52520a109d71c8566fed2ea600650ec [No Types Assigned]
  • Initial Analysis by [email protected]

    Nov. 19, 2012

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2012-4423 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2012-4423 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.87 }} -12.10%

score

0.85043

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability