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Last updated: 9/1/2014 9:59:08 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2011-1944

Original release date: 09/02/2011
Last revised: 02/06/2013
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 9.3 (HIGH) (AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: HP
Name: SSRT100877
External Source: APPLE
Name: APPLE-SA-2012-05-09-1
External Source: MISC
Name: http://scarybeastsecurity.blogspot.com/2011/05/libxml-vulnerability-and-interesting.html
Type: Advisory; Patch Information
External Source: FEDORA
Name: FEDORA-2011-7856
Type: Patch Information; Exploit
External Source: CONFIRM
Name: http://git.gnome.org/browse/libxml2/commit/?id=d7958b21e7f8c447a26bb2436f08402b2c308be4
Type: Patch Information
External Source: REDHAT
Name: RHSA-2013:0217
External Source: MLIST
Name: [oss-security] 20110531 Re: CVE request: libxml vulnerability and interesting integer issues
Type: Patch Information; Exploit
External Source: BID
Name: 48056
External Source: HP
Name: HPSBMU02786
External Source: OSVDB
Name: 73248
External Source: CONFIRM
Name: http://support.apple.com/kb/HT5281
External Source: REDHAT
Name: RHSA-2011:1749
External Source: SECUNIA
Name: 44711
Type: Advisory
External Source: SUSE
Name: openSUSE-SU-2011:0839
External Source: APPLE
Name: APPLE-SA-2012-09-19-1
External Source: CONFIRM
Name: http://support.apple.com/kb/HT5503
External Source: DEBIAN
Name: DSA-2255
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=709747
Type: Patch Information; Exploit
External Source: UBUNTU
Name: USN-1153-1
External Source: MANDRIVA
Name: MDVSA-2011:131

Vulnerable software and versions

Skip Navigation Links.
Collapse Configuration 1Configuration 1
Collapse OROR
* cpe:/a:xmlsoft:libxml2:2.7.5
* cpe:/a:xmlsoft:libxml2:2.7.4
* cpe:/a:xmlsoft:libxml2:2.7.7
* cpe:/a:xmlsoft:libxml2:2.7.6
* cpe:/a:xmlsoft:libxml2:2.7.3
* cpe:/a:xmlsoft:libxml2:2.7.2
* cpe:/a:xmlsoft:libxml2:2.7.1
* cpe:/a:xmlsoft:libxml2:2.7.0
* cpe:/a:xmlsoft:libxml2:2.7.8
Collapse Configuration 2Configuration 2
Collapse OROR
* cpe:/a:xmlsoft:libxml:1.8.16 and previous versions
* cpe:/a:xmlsoft:libxml:1.8.15
* cpe:/a:xmlsoft:libxml:1.8.14
* cpe:/a:xmlsoft:libxml:1.8.13
* cpe:/a:xmlsoft:libxml:1.8.12
* cpe:/a:xmlsoft:libxml:1.8.11
* cpe:/a:xmlsoft:libxml:1.8.10
* cpe:/a:xmlsoft:libxml:1.8.9
* cpe:/a:xmlsoft:libxml:1.8.8
* cpe:/a:xmlsoft:libxml:1.8.7
* cpe:/a:xmlsoft:libxml:1.8.6
* cpe:/a:xmlsoft:libxml:1.8.5
* cpe:/a:xmlsoft:libxml:1.8.4
* cpe:/a:xmlsoft:libxml:1.8.3
* cpe:/a:xmlsoft:libxml:1.8.2
* cpe:/a:xmlsoft:libxml:1.8.1
* cpe:/a:xmlsoft:libxml:1.8.0
* cpe:/a:xmlsoft:libxml:1.5.0
* cpe:/a:xmlsoft:libxml:1.6.0
* cpe:/a:xmlsoft:libxml:1.6.1
* cpe:/a:xmlsoft:libxml:1.6.2
* cpe:/a:xmlsoft:libxml:1.7.0
* cpe:/a:xmlsoft:libxml:1.7.1
* cpe:/a:xmlsoft:libxml:1.7.2
* cpe:/a:xmlsoft:libxml:1.7.3
* cpe:/a:xmlsoft:libxml:1.7.4
Collapse Configuration 3Configuration 3
Collapse OROR
* cpe:/a:xmlsoft:libxml2:2.6.22
* cpe:/a:xmlsoft:libxml2:2.6.27
* cpe:/a:xmlsoft:libxml2:2.6.26
* cpe:/a:xmlsoft:libxml2:2.6.30
* cpe:/a:xmlsoft:libxml2:2.6.17
* cpe:/a:xmlsoft:libxml2:2.6.16
* cpe:/a:xmlsoft:libxml2:2.6.20
* cpe:/a:xmlsoft:libxml2:2.6.18
* cpe:/a:xmlsoft:libxml2:2.6.11
* cpe:/a:xmlsoft:libxml2:2.6.1
* cpe:/a:xmlsoft:libxml2:2.6.0
* cpe:/a:xmlsoft:libxml2:2.6.5
* cpe:/a:xmlsoft:libxml2:2.6.6
* cpe:/a:xmlsoft:libxml2:2.6.3
* cpe:/a:xmlsoft:libxml2:2.6.4
* cpe:/a:xmlsoft:libxml2:2.6.14
* cpe:/a:xmlsoft:libxml2:2.6.32
* cpe:/a:xmlsoft:libxml2:2.6.2
* cpe:/a:xmlsoft:libxml2:2.6.12
* cpe:/a:xmlsoft:libxml2:2.6.13
* cpe:/a:xmlsoft:libxml2:2.6.9
* cpe:/a:xmlsoft:libxml2:2.6.7
* cpe:/a:xmlsoft:libxml2:2.6.8
* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)