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National Cyber Awareness System

Vulnerability Summary for CVE-2010-2531

Original release date:08/20/2010
Last revised:08/27/2011
Source: US-CERT/NIST

Overview

The var_export function in PHP 5.2 before 5.2.14 and 5.3 before 5.3.3 flushes the output buffer to the user when certain fatal errors occur, even if display_errors is off, which allows remote attackers to obtain sensitive information by causing the application to exceed limits for memory, execution time, or recursion.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:N/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=617673
Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=617673
External Source: VUPEN
Name: ADV-2010-3081
Hyperlink:http://www.vupen.com/english/advisories/2010/3081
External Source: REDHAT
Name: RHSA-2010:0919
Hyperlink:http://www.redhat.com/support/errata/RHSA-2010-0919.html
External Source: CONFIRM
Name: http://www.php.net/archive/2010.php#id2010-07-22-2
Hyperlink:http://www.php.net/archive/2010.php#id2010-07-22-2
External Source: CONFIRM
Name: http://www.php.net/archive/2010.php#id2010-07-22-1
Hyperlink:http://www.php.net/archive/2010.php#id2010-07-22-1
External Source: MLIST
Name: [oss-security] 20100716 Re: Re: CVE request, php var_export
Hyperlink:http://www.openwall.com/lists/oss-security/2010/07/16/3
External Source: MLIST
Name: [oss-security] 20100713 CVE request, php var_export
Hyperlink:http://www.openwall.com/lists/oss-security/2010/07/13/1
External Source: DEBIAN
Name: DSA-2266
Hyperlink:http://www.debian.org/security/2011/dsa-2266
External Source: CONFIRM
Name: http://svn.php.net/viewvc/php/php-src/trunk/ext/standard/tests/general_functions/var_export_error2.phpt?view=log&pathrev=301143
Hyperlink:http://svn.php.net/viewvc/php/php-src/trunk/ext/standard/tests/general_functions/var_export_error2.phpt?view=log&pathrev=301143
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4435
Hyperlink:http://support.apple.com/kb/HT4435
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4312
Hyperlink:http://support.apple.com/kb/HT4312
External Source: SECUNIA
Name: 42410
Hyperlink:http://secunia.com/advisories/42410
External Source: HP
Name: SSRT100409
Hyperlink:http://marc.info/?l=bugtraq&m=130331363227777&w=2
External Source: HP
Name: HPSBMA02662
Hyperlink:http://marc.info/?l=bugtraq&m=130331363227777&w=2
External Source: SUSE
Name: SUSE-SR:2010:018
Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html
External Source: SUSE
Name: SUSE-SR:2010:017
Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
External Source: APPLE
Name: APPLE-SA-2010-11-10-1
Hyperlink:http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
External Source: APPLE
Name: APPLE-SA-2010-08-24-1
Hyperlink:http://lists.apple.com/archives/security-announce/2010//Aug/msg00003.html

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:php:php:5.2.9
spacerspacerNav control image* cpe:/a:php:php:5.2.12
spacerspacerNav control image* cpe:/a:php:php:5.2.10
spacerspacerNav control image* cpe:/a:php:php:5.2.11
spacerspacerNav control image* cpe:/a:php:php:5.2.5
spacerspacerNav control image* cpe:/a:php:php:5.2.0
spacerspacerNav control image* cpe:/a:php:php:5.2.4
spacerspacerNav control image* cpe:/a:php:php:5.2.6
spacerspacerNav control image* cpe:/a:php:php:5.2.8
spacerspacerNav control image* cpe:/a:php:php:5.2.3
spacerspacerNav control image* cpe:/a:php:php:5.2.1
spacerspacerNav control image* cpe:/a:php:php:5.2.2
spacerspacerNav control image* cpe:/a:php:php:5.2.13
spacerspacerNav control image* cpe:/a:php:php:5.3.0
spacerspacerNav control image* cpe:/a:php:php:5.3.1
spacerspacerNav control image* cpe:/a:php:php:5.3.2
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Information Leak / Disclosure (CWE-200)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-2531