PHP up to 5.2.6 CGI Module foo..php input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8$0-$5k0.00

A vulnerability was found in PHP up to 5.2.6 (Programming Language Software). It has been classified as problematic. Affected is some unknown functionality of the file foo..php of the component CGI Module. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

PHP 4.4.x before 4.4.9, and 5.x through 5.2.6, when used as a FastCGI module, allows remote attackers to cause a denial of service (crash) via a request with multiple dots preceding the extension, as demonstrated using foo..php.

The bug was discovered 08/07/2008. The weakness was published 08/14/2008 by Christian Hoffmann (Website). The advisory is available at us-cert.gov. This vulnerability is traded as CVE-2008-3660 since 08/12/2008. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $5k-$25k. By approaching the search of inurl:foo..php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 36089 (CentOS 3 / 4 : php (CESA-2009:0337)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 185076 (HP-UX Running Apache Web Server Suite Multiple Vulnerabilities (HPSBUX02431)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 9 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (49753) and Tenable (36089). Similar entries are available at 23858, 30376, 38768 and 40710.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 36089
Nessus Name: CentOS 3 / 4 : php (CESA-2009:0337)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 61712
OpenVAS Name: Debian Security Advisory DSA 1647-1 (php5)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

08/07/2008 🔍
08/12/2008 +5 days 🔍
08/14/2008 +2 days 🔍
08/14/2008 +0 days 🔍
08/14/2008 +0 days 🔍
10/07/2008 +54 days 🔍
10/07/2008 +0 days 🔍
10/08/2008 +1 days 🔍
04/06/2009 +180 days 🔍
04/07/2009 +1 days 🔍
03/17/2015 +2170 days 🔍
08/18/2019 +1615 days 🔍

Sourcesinfo

Product: php.org

Advisory: us-cert.gov
Researcher: Christian Hoffmann
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-3660 (🔍)
OVAL: 🔍

X-Force: 49753
SecurityTracker: 1020994
Vulnerability Center: 19665 - PHP 4.4-4.4.8, 5.2-5.2.6 Remote DoS Vulnerability via a Malformed URL Request, Medium
SecurityFocus: 31612 - PHP FastCGI Module File Extension Denial Of Service Vulnerabilities
Secunia: 31982
OSVDB: 47796 - CVE-2008-3660 - PHP - Denial-Of-Service Issues
Vupen: ADV-2008-2336

See also: 🔍

Entryinfo

Created: 03/17/2015 12:19
Updated: 08/18/2019 07:12
Changes: 03/17/2015 12:19 (73), 08/18/2019 07:12 (16)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!