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Vulnerability Details : CVE-2011-1944

Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.
Publish Date : 2011-09-02 Last Update Date : 2013-02-06
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- CVSS Scores & Vulnerability Types

CVSS Score
9.3
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute CodeOverflow
CWE ID 189

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low
4.4
AV:L/AC:M/Au:N/C:P/I:P/A:P 2011-05-31 2011-05-27
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-1944 oval:org.opensuse.security:def:20111944 unix
ELSA-2011-1749 -- libxml2 security and bug fix update (low) oval:org.mitre.oval:def:27942 unix
ELSA-2012-0017 -- libxml2 security update (important) oval:org.mitre.oval:def:27925 unix
ELSA-2012:0017: libxml2 security update (Important) oval:org.mitre.oval:def:23214 unix
ELSA-2013-0217 -- mingw32-libxml2 security update (important) oval:org.mitre.oval:def:27385 unix
ELSA-2013:0217: mingw32-libxml2 security update (Important) oval:org.mitre.oval:def:23888 unix
RHSA-2011:1749 -- libxml2 security and bug fix update (Low) oval:org.mitre.oval:def:27147 unix
RHSA-2012:0017: libxml2 security update (Important) oval:org.mitre.oval:def:21164 unix
RHSA-2012:0017: libxml2 security update (Important) oval:com.redhat.rhsa:def:20120017 unix
RHSA-2013:0217: mingw32-libxml2 security update (Important) oval:org.mitre.oval:def:20771 unix
RHSA-2013:0217: mingw32-libxml2 security update (Important) oval:com.redhat.rhsa:def:20130217 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-2011-1944

# Product Type Vendor Product Version Update Edition Language
1 Application Xmlsoft Libxml 1.5.0 Version Details Vulnerabilities
2 Application Xmlsoft Libxml 1.6.0 Version Details Vulnerabilities
3 Application Xmlsoft Libxml 1.6.1 Version Details Vulnerabilities
4 Application Xmlsoft Libxml 1.6.2 Version Details Vulnerabilities
5 Application Xmlsoft Libxml 1.7.0 Version Details Vulnerabilities
6 Application Xmlsoft Libxml 1.7.1 Version Details Vulnerabilities
7 Application Xmlsoft Libxml 1.7.2 Version Details Vulnerabilities
8 Application Xmlsoft Libxml 1.7.3 Version Details Vulnerabilities
9 Application Xmlsoft Libxml 1.7.4 Version Details Vulnerabilities
10 Application Xmlsoft Libxml 1.8.0 Version Details Vulnerabilities
11 Application Xmlsoft Libxml 1.8.1 Version Details Vulnerabilities
12 Application Xmlsoft Libxml 1.8.2 Version Details Vulnerabilities
13 Application Xmlsoft Libxml 1.8.3 Version Details Vulnerabilities
14 Application Xmlsoft Libxml 1.8.4 Version Details Vulnerabilities
15 Application Xmlsoft Libxml 1.8.5 Version Details Vulnerabilities
16 Application Xmlsoft Libxml 1.8.6 Version Details Vulnerabilities
17 Application Xmlsoft Libxml 1.8.7 Version Details Vulnerabilities
18 Application Xmlsoft Libxml 1.8.8 Version Details Vulnerabilities
19 Application Xmlsoft Libxml 1.8.9 Version Details Vulnerabilities
20 Application Xmlsoft Libxml 1.8.10 Version Details Vulnerabilities
21 Application Xmlsoft Libxml 1.8.11 Version Details Vulnerabilities
22 Application Xmlsoft Libxml 1.8.12 Version Details Vulnerabilities
23 Application Xmlsoft Libxml 1.8.13 Version Details Vulnerabilities
24 Application Xmlsoft Libxml 1.8.14 Version Details Vulnerabilities
25 Application Xmlsoft Libxml 1.8.15 Version Details Vulnerabilities
26 Application Xmlsoft Libxml 1.8.16 Version Details Vulnerabilities
27 Application Xmlsoft Libxml2 2.6.0 Version Details Vulnerabilities
28 Application Xmlsoft Libxml2 2.6.1 Version Details Vulnerabilities
29 Application Xmlsoft Libxml2 2.6.2 Version Details Vulnerabilities
30 Application Xmlsoft Libxml2 2.6.3 Version Details Vulnerabilities
31 Application Xmlsoft Libxml2 2.6.4 Version Details Vulnerabilities
32 Application Xmlsoft Libxml2 2.6.5 Version Details Vulnerabilities
33 Application Xmlsoft Libxml2 2.6.6 Version Details Vulnerabilities
34 Application Xmlsoft Libxml2 2.6.7 Version Details Vulnerabilities
35 Application Xmlsoft Libxml2 2.6.8 Version Details Vulnerabilities
36 Application Xmlsoft Libxml2 2.6.9 Version Details Vulnerabilities
37 Application Xmlsoft Libxml2 2.6.11 Version Details Vulnerabilities
38 Application Xmlsoft Libxml2 2.6.12 Version Details Vulnerabilities
39 Application Xmlsoft Libxml2 2.6.13 Version Details Vulnerabilities
40 Application Xmlsoft Libxml2 2.6.14 Version Details Vulnerabilities
41 Application Xmlsoft Libxml2 2.6.16 Version Details Vulnerabilities
42 Application Xmlsoft Libxml2 2.6.17 Version Details Vulnerabilities
43 Application Xmlsoft Libxml2 2.6.18 Version Details Vulnerabilities
44 Application Xmlsoft Libxml2 2.6.20 Version Details Vulnerabilities
45 Application Xmlsoft Libxml2 2.6.22 Version Details Vulnerabilities
46 Application Xmlsoft Libxml2 2.6.26 Version Details Vulnerabilities
47 Application Xmlsoft Libxml2 2.6.27 Version Details Vulnerabilities
48 Application Xmlsoft Libxml2 2.6.30 Version Details Vulnerabilities
49 Application Xmlsoft Libxml2 2.6.32 Version Details Vulnerabilities
50 Application Xmlsoft Libxml2 2.7.0 Version Details Vulnerabilities
51 Application Xmlsoft Libxml2 2.7.1 Version Details Vulnerabilities
52 Application Xmlsoft Libxml2 2.7.2 Version Details Vulnerabilities
53 Application Xmlsoft Libxml2 2.7.3 Version Details Vulnerabilities
54 Application Xmlsoft Libxml2 2.7.4 Version Details Vulnerabilities
55 Application Xmlsoft Libxml2 2.7.5 Version Details Vulnerabilities
56 Application Xmlsoft Libxml2 2.7.6 Version Details Vulnerabilities
57 Application Xmlsoft Libxml2 2.7.7 Version Details Vulnerabilities
58 Application Xmlsoft Libxml2 2.7.8 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Xmlsoft Libxml 26
Xmlsoft Libxml2 32

- References For CVE-2011-1944

http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062238.html
FEDORA FEDORA-2011-7856
http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
APPLE APPLE-SA-2012-09-19-1
http://lists.opensuse.org/opensuse-updates/2011-07/msg00035.html
SUSE openSUSE-SU-2011:0839
http://secunia.com/advisories/44711
SECUNIA 44711
http://rhn.redhat.com/errata/RHSA-2013-0217.html
REDHAT RHSA-2013:0217
http://support.apple.com/kb/HT5281 CONFIRM
http://www.debian.org/security/2011/dsa-2255
DEBIAN DSA-2255
http://ubuntu.com/usn/usn-1153-1
UBUNTU USN-1153-1
http://support.apple.com/kb/HT5503 CONFIRM
http://www.osvdb.org/73248
OSVDB 73248
http://www.mandriva.com/security/advisories?name=MDVSA-2011:131
MANDRIVA MDVSA-2011:131
http://www.securityfocus.com/bid/48056
BID 48056 libxml2 Invalid XPath Multiple Memory Corruption Vulnerabilities Release Date:2014-11-14
http://www.redhat.com/support/errata/RHSA-2011-1749.html
REDHAT RHSA-2011:1749
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
APPLE APPLE-SA-2012-05-09-1
http://www.openwall.com/lists/oss-security/2011/05/31/8
MLIST [oss-security] 20110531 Re: CVE request: libxml vulnerability and interesting integer issues
http://git.gnome.org/browse/libxml2/commit/?id=d7958b21e7f8c447a26bb2436f08402b2c308be4 CONFIRM
http://scarybeastsecurity.blogspot.com/2011/05/libxml-vulnerability-and-interesting.html
https://bugzilla.redhat.com/show_bug.cgi?id=709747 CONFIRM
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
HP HPSBMU02786

- Metasploit Modules Related To CVE-2011-1944

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


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