PHP up to 5.2.5 FastCGI fastcgi.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability was found in PHP. It has been rated as critical. Impacted is an unknown function of the file fastcgi.c of the component FastCGI. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2008-2050. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in PHP (Programming Language Software). It has been rated as critical. This issue affects an unknown function of the file fastcgi.c of the component FastCGI. 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. The summary by CVE is:

Stack-based buffer overflow in the FastCGI SAPI (fastcgi.c) in PHP before 5.2.6 has unknown impact and attack vectors.

The bug was discovered 05/01/2008. The weakness was published 05/05/2008 by Maksymilian Arciemowicz (ryan) (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2008-2050 since 05/02/2008. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 32306 (Debian DSA-1572-1 : php5 - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12249 (PHP Multiple Vulnerabilities May 2008).

Upgrading to version 5.1.0 eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (42133), Tenable (32306), SecurityFocus (BID 29009†), OSVDB (44907†) and Secunia (SA30048†). Similar entries are available at VDB-3203, VDB-3693, VDB-3697 and VDB-3695. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
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: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 32306
Nessus Name: Debian DSA-1572-1 : php5 - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 61024
OpenVAS Name: Debian Security Advisory DSA 1572-1 (php5)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: PHP 5.1.0

Timelineinfo

05/01/2008 🔍
05/01/2008 +0 days 🔍
05/02/2008 +1 days 🔍
05/05/2008 +3 days 🔍
05/05/2008 +0 days 🔍
05/05/2008 +0 days 🔍
05/11/2008 +6 days 🔍
05/11/2008 +0 days 🔍
05/13/2008 +2 days 🔍
03/16/2015 +2498 days 🔍
08/10/2019 +1608 days 🔍

Sourcesinfo

Product: php.org

Advisory: securityfocus.com⛔
Researcher: Maksymilian Arciemowicz (ryan)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-2050 (🔍)
GCVE (CVE): GCVE-0-2008-2050
GCVE (VulDB): GCVE-100-42245

OVAL: 🔍

X-Force: 42133
SecurityFocus: 29009 - PHP 5.2.5 and Prior Versions Multiple Vulnerabilities
Secunia: 30048
OSVDB: 44907 - PHP FastCGI SAPI buffer overflow
Vulnerability Center: 18342 - PHP < 5.2.6 FastCGI SAPI Stack-Based Buffer Overflow Vulnerability, High
Vupen: ADV-2008-1412

See also: 🔍

Entryinfo

Created: 03/16/2015 17:00
Updated: 08/10/2019 08:30
Changes: 03/16/2015 17:00 (79), 08/10/2019 08:30 (8)
Complete: 🔍
Cache ID: 216::103

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