PHP up to 5.2.1 Session Extension memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in PHP up to 5.2.1. This affects an unknown function of the component Session Extension. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2007-0905. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in PHP up to 5.2.1 (Programming Language Software) and classified as critical. Affected by this issue is an unknown function of the component Session Extension. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

PHP before 5.2.1 allows attackers to bypass safe_mode and open_basedir restrictions via unspecified vectors in the session extension. NOTE: it is possible that this issue is a duplicate of CVE-2006-6383.

The weakness was disclosed 02/09/2007 by Stefan Esser with PHP Team (Website). The advisory is shared for download at php.net. This vulnerability is handled as CVE-2007-0905 since 02/13/2007. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

After 4 weeks, there has been an exploit disclosed. The exploit is available at php-security.org. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 24365 (FreeBSD : php -- multiple vulnerabilities (7fcf1727-be71-11db-b2ec-000c6ec775d9)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12259 (PHP Prior to 5.2.1/4.4.5 Multiple Vulnerabilities).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at php.net. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (3413), Tenable (24365), SecurityFocus (BID 22496†), OSVDB (32776†) and Secunia (SA24089†). The entries VDB-2920, VDB-2911, VDB-2914 and VDB-2917 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 24365
Nessus Name: FreeBSD : php -- multiple vulnerabilities (7fcf1727-be71-11db-b2ec-000c6ec775d9)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 58010
OpenVAS Name: php -- multiple vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Patch: php.net

Timelineinfo

02/09/2007 🔍
02/09/2007 +0 days 🔍
02/12/2007 +3 days 🔍
02/13/2007 +1 days 🔍
02/13/2007 +0 days 🔍
02/17/2007 +4 days 🔍
02/18/2007 +1 days 🔍
03/05/2007 +15 days 🔍
03/09/2007 +4 days 🔍
04/27/2019 +4432 days 🔍

Sourcesinfo

Product: php.org

Advisory: php.net
Researcher: Stefan Esser
Organization: PHP Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-0905 (🔍)
GCVE (CVE): GCVE-0-2007-0905
GCVE (VulDB): GCVE-100-2912
SecurityFocus: 22496 - PHP 5.2.0 and Prior Versions Multiple Vulnerabilities
Secunia: 24089 - PHP Multiple Vulnerabilities, Moderately Critical
OSVDB: 32776 - PHP Session Extension php_binary Heap Information Disclosure
Vupen: ADV-2007-0546

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 02/12/2007 16:14
Updated: 04/27/2019 20:30
Changes: 02/12/2007 16:14 (85), 04/27/2019 20:30 (10)
Complete: 🔍
Cache ID: 216:4A9:103

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