2007-1522 | PHP Session Identifier memory corruption (BID-22971 / XFDB-33046)
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A vulnerability classified as critical was found in PHP 5.2.0/5.2.1 (Programming Language Software). Affected by this vulnerability is some unknown functionality of the component Session Identifier. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was published 03/20/2007 by Stefan Esser (Website). It is possible to read the advisory at vupen.com. This vulnerability is known as CVE-2007-1522 since 03/20/2007. The attack can be launched remotely. The exploitation doesn’t need any form of authentication. Technical details are unknown but a public exploit is available.
It is declared as proof-of-concept. It is possible to download the exploit at securityfocus.com. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 25159 (PHP CGI abuses. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165074 (OpenSUSE Security Update for PHP4, PHP5 (SUSE-SA:2007:032)).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at SecurityFocus (BID 22971), X-Force (33046), Vulnerability Center (SBV-24196) and Tenable (25159). Similar entries are available at 35871, 35862, 35861 and 35852.
VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9
NVD Base Score: 🔍
Class: Memory corruption
0-Day Time: 🔍
03/15/2007 +0 days 🔍
03/20/2007 +4 days 🔍
03/20/2007 +0 days 🔍
03/20/2007 +0 days 🔍
11/26/2009 +982 days 🔍
03/13/2015 +1933 days 🔍
01/12/2016 +305 days 🔍
07/13/2021 +2009 days 🔍Product: https://www.php.org/
Researcher: Stefan Esser
Status: Not defined
CVE: CVE-2007-1522 (🔍)
SecurityFocus: 22971 – PHP Session Identifier Rejection Double Free Memory Corruption Vulnerability
Vulnerability Center: 24196 – PHP 5.2.0 and 5.2.1 Session Extension Vulnerability Allows Remote Attacker to Execute Arbitrary Code, Medium
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