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Vulnerability Details : CVE-2012-4423

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.
Publish Date : 2012-11-19 Last Update Date : 2013-03-06
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID CWE id is not defined for this vulnerability

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
3.3
AV:A/AC:L/Au:N/C:N/I:N/A:P 2012-09-13 2012-07-24
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- Related OVAL Definitions

Title Definition Id Class Family
ELSA-2012-1359 -- libvirt security and bug fix update (moderate) oval:org.mitre.oval:def:27646 unix
ELSA-2012:1359: libvirt security and bug fix update (Moderate) oval:org.mitre.oval:def:23737 unix
RHSA-2012:1359: libvirt security and bug fix update (Moderate) oval:org.mitre.oval:def:21298 unix
RHSA-2012:1359: libvirt security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20121359 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-4423

# Product Type Vendor Product Version Update Edition Language
1 Application Redhat Libvirt 0.0.1 Version Details Vulnerabilities
2 Application Redhat Libvirt 0.0.2 Version Details Vulnerabilities
3 Application Redhat Libvirt 0.0.3 Version Details Vulnerabilities
4 Application Redhat Libvirt 0.0.4 Version Details Vulnerabilities
5 Application Redhat Libvirt 0.0.5 Version Details Vulnerabilities
6 Application Redhat Libvirt 0.0.6 Version Details Vulnerabilities
7 Application Redhat Libvirt 0.1.0 Version Details Vulnerabilities
8 Application Redhat Libvirt 0.1.1 Version Details Vulnerabilities
9 Application Redhat Libvirt 0.1.3 Version Details Vulnerabilities
10 Application Redhat Libvirt 0.1.4 Version Details Vulnerabilities
11 Application Redhat Libvirt 0.1.5 Version Details Vulnerabilities
12 Application Redhat Libvirt 0.1.6 Version Details Vulnerabilities
13 Application Redhat Libvirt 0.1.7 Version Details Vulnerabilities
14 Application Redhat Libvirt 0.1.8 Version Details Vulnerabilities
15 Application Redhat Libvirt 0.1.9 Version Details Vulnerabilities
16 Application Redhat Libvirt 0.2.0 Version Details Vulnerabilities
17 Application Redhat Libvirt 0.2.1 Version Details Vulnerabilities
18 Application Redhat Libvirt 0.2.2 Version Details Vulnerabilities
19 Application Redhat Libvirt 0.2.3 Version Details Vulnerabilities
20 Application Redhat Libvirt 0.3.0 Version Details Vulnerabilities
21 Application Redhat Libvirt 0.3.1 Version Details Vulnerabilities
22 Application Redhat Libvirt 0.3.2 Version Details Vulnerabilities
23 Application Redhat Libvirt 0.3.3 Version Details Vulnerabilities
24 Application Redhat Libvirt 0.4.0 Version Details Vulnerabilities
25 Application Redhat Libvirt 0.4.1 Version Details Vulnerabilities
26 Application Redhat Libvirt 0.4.2 Version Details Vulnerabilities
27 Application Redhat Libvirt 0.4.3 Version Details Vulnerabilities
28 Application Redhat Libvirt 0.4.4 Version Details Vulnerabilities
29 Application Redhat Libvirt 0.4.5 Version Details Vulnerabilities
30 Application Redhat Libvirt 0.4.6 Version Details Vulnerabilities
31 Application Redhat Libvirt 0.5.0 Version Details Vulnerabilities
32 Application Redhat Libvirt 0.5.1 Version Details Vulnerabilities
33 Application Redhat Libvirt 0.6.0 Version Details Vulnerabilities
34 Application Redhat Libvirt 0.6.1 Version Details Vulnerabilities
35 Application Redhat Libvirt 0.6.2 Version Details Vulnerabilities
36 Application Redhat Libvirt 0.6.3 Version Details Vulnerabilities
37 Application Redhat Libvirt 0.6.4 Version Details Vulnerabilities
38 Application Redhat Libvirt 0.6.5 Version Details Vulnerabilities
39 Application Redhat Libvirt 0.7.0 Version Details Vulnerabilities
40 Application Redhat Libvirt 0.7.1 Version Details Vulnerabilities
41 Application Redhat Libvirt 0.7.2 Version Details Vulnerabilities
42 Application Redhat Libvirt 0.7.3 Version Details Vulnerabilities
43 Application Redhat Libvirt 0.7.4 Version Details Vulnerabilities
44 Application Redhat Libvirt 0.7.5 Version Details Vulnerabilities
45 Application Redhat Libvirt 0.7.6 Version Details Vulnerabilities
46 Application Redhat Libvirt 0.7.7 Version Details Vulnerabilities
47 Application Redhat Libvirt 0.8.0 Version Details Vulnerabilities
48 Application Redhat Libvirt 0.8.1 Version Details Vulnerabilities
49 Application Redhat Libvirt 0.8.2 Version Details Vulnerabilities
50 Application Redhat Libvirt 0.8.3 Version Details Vulnerabilities
51 Application Redhat Libvirt 0.8.4 Version Details Vulnerabilities
52 Application Redhat Libvirt 0.8.5 Version Details Vulnerabilities
53 Application Redhat Libvirt 0.8.6 Version Details Vulnerabilities
54 Application Redhat Libvirt 0.8.7 Version Details Vulnerabilities
55 Application Redhat Libvirt 0.8.8 Version Details Vulnerabilities
56 Application Redhat Libvirt 0.9.0 Version Details Vulnerabilities
57 Application Redhat Libvirt 0.9.1 Version Details Vulnerabilities
58 Application Redhat Libvirt 0.9.2 Version Details Vulnerabilities
59 Application Redhat Libvirt 0.9.3 Version Details Vulnerabilities
60 Application Redhat Libvirt 0.9.4 Version Details Vulnerabilities
61 Application Redhat Libvirt 0.9.5 Version Details Vulnerabilities
62 Application Redhat Libvirt 0.9.6 Version Details Vulnerabilities
63 Application Redhat Libvirt 0.9.7 Version Details Vulnerabilities
64 Application Redhat Libvirt 0.9.8 Version Details Vulnerabilities
65 Application Redhat Libvirt 0.9.9 Version Details Vulnerabilities
66 Application Redhat Libvirt 0.9.10 Version Details Vulnerabilities
67 Application Redhat Libvirt 0.9.11 Version Details Vulnerabilities
68 Application Redhat Libvirt 0.9.12 Version Details Vulnerabilities
69 Application Redhat Libvirt 0.9.13 Version Details Vulnerabilities
70 Application Redhat Libvirt 0.10.0 Version Details Vulnerabilities
71 Application Redhat Libvirt 0.10.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Redhat Libvirt 71

- References For CVE-2012-4423

http://libvirt.org/git/?p=libvirt.git;a=commit;h=b7ff9e696063189a715802d081d55a398663c15a CONFIRM
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089976.html
FEDORA FEDORA-2012-15634
http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=f8fbeb50d52520a109d71c8566fed2ea600650ec CONFIRM
http://rhn.redhat.com/errata/RHSA-2012-1359.html
REDHAT RHSA-2012:1359
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090121.html
FEDORA FEDORA-2012-15640
http://www.securitytracker.com/id?1027649
SECTRACK 1027649
http://www.securityfocus.com/bid/55541
BID 55541 libvirt 'virNetServerProgramDispatchCall()' Function Remote Denial Of Service Vulnerability Release Date:2013-02-12
http://www.openwall.com/lists/oss-security/2012/09/13/14
MLIST [oss-security] 20120913 Re: CVE Request -- libvirt: null function pointer invocation in virNetServerProgramDispatchCall()
http://www.ubuntu.com/usn/USN-1708-1
UBUNTU USN-1708-1
https://bugzilla.redhat.com/show_bug.cgi?id=857133
https://www.redhat.com/archives/libvir-list/2012-September/msg00843.html
MLIST [libvirt] 20120912 [PATCH] Fix libvirtd crash possibility

- Metasploit Modules Related To CVE-2012-4423

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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