NVD - CVE-2013-0339

CVE-2013-0339 Detail

Description

libxml2 through 2.9.1 does not properly handle external entities expansion unless an application developer uses the xmlSAX2ResolveEntity or xmlSetExternalEntityLoader function, which allows remote attackers to cause a denial of service (resource consumption), send HTTP requests to intranet servers, or read arbitrary files via a crafted XML document, aka an XML External Entity (XXE) issue. NOTE: it could be argued that because libxml2 already provides the ability to disable external entity expansion, the responsibility for resolving this issue lies with application developers; according to this argument, this entry should be REJECTed and each affected application would need its own CVE.

Source: MITRE
Description Last Modified: 01/21/2014

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html
http://openwall.com/lists/oss-security/2013/02/21/24
http://openwall.com/lists/oss-security/2013/02/22/3
http://seclists.org/oss-sec/2013/q4/182
http://seclists.org/oss-sec/2013/q4/184
http://seclists.org/oss-sec/2013/q4/188
http://www.debian.org/security/2013/dsa-2652
http://www.openwall.com/lists/oss-security/2013/04/12/6
http://www.ubuntu.com/usn/USN-1904-1
http://www.ubuntu.com/usn/USN-1904-2
https://bugzilla.redhat.com/show_bug.cgi?id=915149
https://git.gnome.org/browse/libxml2/commit/?id=4629ee02ac649c27f9c0cf98ba017c6b5526070f	Exploit Patch

Technical Details

Vulnerability Type (View All)

Permissions, Privileges, and Access Control (CWE-264)

Vulnerable software and versions Switch to CPE 2.2

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Change History

2 change records found - show changes

Modified Analysis - 5/5/2016 11:29:21 AM

Action

Type

Old Value

New Value

Changed

CPE Configuration

Record truncated, showing 500 of 7336 characters. View Entire Change Record

Configuration 1
     OR
          *cpe:2.3:a:xmlsoft:libxml2:2.9.1:*:*:*:*:*:*:* (and previous)
          *cpe:2.3:a:xmlsoft:libxml2:2.9.0:rc1:*:*:*:*:*:*
          *cpe:2.3:a:xmlsoft:libxml2:2.9.0:*:*:*:*:*:*:*
          *cpe:2.3:a:xmlsoft:libxml2:2.7.8:*:*:*:*:*:*:*
          *cpe:2.3:a:xmlsoft:libxml2:2.7.7:*:*:*:*:*:*:*
          *cpe:2.3:a:xmlsoft:libxml2:2.7.6:*:*:*:*:*:*:*
          *cpe:2.3:a:xmlsoft:libxml2:2.7.5:*:*:*:*:*:*:*
          *cpe:2.3:a:xmlsoft:libxml2:2.7.4:*:*:*:*:*:*:*

Record truncated, showing 500 of 7867 characters. View Entire Change Record

Configuration 1
     OR
          *cpe:2.3:a:xmlsoft:libxml2:2.8.0:*:*:*:*:*:*:*
          *cpe:2.3:a:xmlsoft:libxml2:2.9.1:*:*:*:*:*:*:* (and previous)
          *cpe:2.3:a:xmlsoft:libxml2:2.9.0:rc1:*:*:*:*:*:*
          *cpe:2.3:a:xmlsoft:libxml2:2.9.0:*:*:*:*:*:*:*
          *cpe:2.3:a:xmlsoft:libxml2:2.7.8:*:*:*:*:*:*:*
          *cpe:2.3:a:xmlsoft:libxml2:2.7.7:*:*:*:*:*:*:*
          *cpe:2.3:a:xmlsoft:libxml2:2.7.6:*:*:*:*:*:*:*
          *cpe:2.3:a:xmlsoft:libxml2:2.7.5:*:*:*:*:*:*:*

Quick Info

CVE Dictionary Entry:
CVE-2013-0339
NVD Published Date:
01/21/2014
NVD Last Modified:
05/05/2016

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National Vulnerability Database