PHP 5.4.0/5.4.1/5.4.2 apache_request_headers memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in PHP 5.4.0/5.4.1/5.4.2. Affected is the function apache_request_headers. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2012-2329. Furthermore, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in PHP 5.4.0/5.4.1/5.4.2 (Programming Language Software). It has been declared as critical. This vulnerability affects the function apache_request_headers. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

Buffer overflow in the apache_request_headers function in sapi/cgi/cgi_main.c in PHP 5.4.x before 5.4.3 allows remote attackers to cause a denial of service (application crash) via a long string in the header of an HTTP request.

The weakness was published 05/11/2012 as Bug 820000 as not defined bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2012-2329 since 04/19/2012. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed in Ruby. It is possible to download the exploit at securityfocus.com. It is declared as highly functional. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 59084 (FreeBSD : php -- multiple vulnerabilities (59b68b1e-9c78-11e1-b5e0-000c299b62e1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12551 (PHP apache_request_headers Buffer Overflow and PHP-CGI Query String Parameter Vulnerabilities).

Upgrading to version 5.4.0 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12516.

The vulnerability is also documented in the databases at X-Force (75545), Exploit-DB (19231), Tenable (59084), SecurityFocus (BID 53455†) and Secunia (SA49014†). Similar entries are available at VDB-5319, VDB-60732, VDB-60731 and VDB-60729. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 59084
Nessus Name: FreeBSD : php -- multiple vulnerabilities (59b68b1e-9c78-11e1-b5e0-000c299b62e1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 71377
OpenVAS Name: FreeBSD Ports: php5
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: php_apache_request_headers_bof.rb
MetaSploit Name: PHP apache_request_headers Function Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 5.4.0
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

04/19/2012 🔍
05/04/2012 +15 days 🔍
05/08/2012 +4 days 🔍
05/11/2012 +3 days 🔍
05/11/2012 +0 days 🔍
05/11/2012 +0 days 🔍
06/25/2012 +45 days 🔍
03/23/2015 +1001 days 🔍
09/08/2025 +3822 days 🔍

Sourcesinfo

Product: php.org

Advisory: Bug 820000
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-2329 (🔍)
GCVE (CVE): GCVE-0-2012-2329
GCVE (VulDB): GCVE-100-60730

IAVM: 🔍

X-Force: 75545
SecurityFocus: 53455 - PHP 'apache_request_headers()' Function Buffer Overflow Vulnerability
Secunia: 49014 - PHP QUERY_STRING Parameters and Buffer Overflow Vulnerabilities, Highly Critical
Vulnerability Center: 35419 - PHP 5.4.x Before 5.4.3 apache_request_headers Buffer Overflow Allows Remote DoS, Medium

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

Entryinfo

Created: 03/23/2015 16:50
Updated: 09/08/2025 02:09
Changes: 03/23/2015 16:50 (75), 04/14/2017 13:14 (17), 12/01/2021 19:55 (3), 09/08/2025 02:09 (17)
Complete: 🔍
Cache ID: 216:241:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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