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Last updated: 4/23/2014

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-1700

Original release date: 03/26/2007
Last revised: 11/05/2012
Source: US-CERT/NIST

Overview

The session extension in PHP 4 before 4.4.5, and PHP 5 before 5.2.1, calculates the reference count for the session variables without considering the internal pointer from the session globals, which allows context-dependent attackers to execute arbitrary code via a crafted string in the session_register after unsetting HTTP_SESSION_VARS and _SESSION, which destroys the session data Hashtable.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 (HIGH) (AV:N/AC:L/AU:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (04/16/2007)
The PHP interpreter does not offer a reliable "sandboxed" security layer (as found in, say, a JVM) in which untrusted scripts can be run; any script run by the PHP interpreter must be trusted with the privileges of the interpreter itself. We therefore do not classify this issue as security-sensitive since no trust boundary is crossed.

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 25062
External Source: SECUNIA
Name: 25445
External Source: HP
Name: HPSBMA02215
External Source: HP
Name: SSRT071429
External Source: HP
Name: HPSBTU02232
External Source: BID
Name: 23119
External Source: VUPEN
Name: ADV-2007-1991
External Source: SECUNIA
Name: 25423
External Source: SECUNIA
Name: 25056
External Source: HP
Name: SSRT071423
External Source: VUPEN
Name: ADV-2007-2374
External Source: GENTOO
Name: GLSA-200705-19
External Source: DEBIAN
Name: DSA-1283
External Source: MISC
Name: http://www.php-security.org/MOPB/MOPB-30-2007.html
External Source: UBUNTU
Name: USN-455-1
External Source: SECUNIA
Name: 25850
External Source: SECUNIA
Name: 25057
External Source: XF
Name: php-session-extension-code-execution(33520)
External Source: SUSE
Name: SUSE-SA:2007:032

Vulnerable software and versions

Skip Navigation Links.
Collapse Configuration 1Configuration 1
Collapse OROR
* cpe:/a:php:php:4.0
* cpe:/a:php:php:4.0.0
* cpe:/a:php:php:4.0.1
* cpe:/a:php:php:4.0.1:patch1
* cpe:/a:php:php:4.0.1:patch2
* cpe:/a:php:php:4.0.2
* cpe:/a:php:php:4.0.3
* cpe:/a:php:php:4.0.3:patch1
* cpe:/a:php:php:4.0.4
* cpe:/a:php:php:4.0.4:patch1
* cpe:/a:php:php:4.0.5
* cpe:/a:php:php:4.0.6
* cpe:/a:php:php:4.0.7
* cpe:/a:php:php:4.0.7:rc1
* cpe:/a:php:php:4.0.7:rc2
* cpe:/a:php:php:4.0.7:rc3
* cpe:/a:php:php:4.0:beta_4_patch1
* cpe:/a:php:php:4.0:beta1
* cpe:/a:php:php:4.0:beta2
* cpe:/a:php:php:4.0:beta3
* cpe:/a:php:php:4.0:beta4
* cpe:/a:php:php:4.0:rc1
* cpe:/a:php:php:4.0:rc2
* cpe:/a:php:php:4.1.0
* cpe:/a:php:php:4.1.1
* cpe:/a:php:php:4.1.2
* cpe:/a:php:php:4.2.0
* cpe:/a:php:php:4.2.1
* cpe:/a:php:php:4.2.2
* cpe:/a:php:php:4.2.3
* cpe:/a:php:php:4.2::dev
* cpe:/a:php:php:4.3
* cpe:/a:php:php:4.3.1
* cpe:/a:php:php:4.3.10
* cpe:/a:php:php:4.3.11
* cpe:/a:php:php:4.3.2
* cpe:/a:php:php:4.3.3
* cpe:/a:php:php:4.3.4
* cpe:/a:php:php:4.3.5
* cpe:/a:php:php:4.3.6
* cpe:/a:php:php:4.3.7
* cpe:/a:php:php:4.3.8
* cpe:/a:php:php:4.3.9
* cpe:/a:php:php:4.4.0
* cpe:/a:php:php:4.4.1
* cpe:/a:php:php:4.4.2
* cpe:/a:php:php:4.4.3
* cpe:/a:php:php:4.4.4
* cpe:/a:php:php:5.0.0
* cpe:/a:php:php:5.0.0:beta1
* cpe:/a:php:php:5.0.0:beta2
* cpe:/a:php:php:5.0.0:beta3
* cpe:/a:php:php:5.0.0:beta4
* cpe:/a:php:php:5.0.0:rc1
* cpe:/a:php:php:5.0.0:rc2
* cpe:/a:php:php:5.0.0:rc3
* cpe:/a:php:php:5.0.1
* cpe:/a:php:php:5.0.2
* cpe:/a:php:php:5.0.3
* cpe:/a:php:php:5.0.4
* cpe:/a:php:php:5.0.5
* cpe:/a:php:php:5.0:rc1
* cpe:/a:php:php:5.0:rc2
* cpe:/a:php:php:5.0:rc3
* cpe:/a:php:php:5.1
* cpe:/a:php:php:5.1.0
* cpe:/a:php:php:5.1.1
* cpe:/a:php:php:5.1.2
* cpe:/a:php:php:5.1.3
* cpe:/a:php:php:5.1.4
* cpe:/a:php:php:5.1.5
* cpe:/a:php:php:5.1.6
* cpe:/a:php:php:5.2.0
* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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