PHP 5.1.0 session_start input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in PHP 5.1.0. It has been declared as critical. Impacted is the function session_start. Executing a manipulation can lead to input validation. The identification of this vulnerability is CVE-2007-3799. Furthermore, there is an exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP 5.1.0 (Programming Language Software). It has been declared as critical. This vulnerability affects the function session_start. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

The session_start function in ext/session in PHP 4.x up to 4.4.7 and 5.x up to 5.2.3 allows remote attackers to insert arbitrary attributes into the session cookie via special characters in a cookie that is obtained from (1) PATH_INFO, (2) the session_id function, and (3) the session_start function, which are not encoded or filtered when the new session cookie is generated, a related issue to CVE-2006-0207.

The bug was discovered 06/01/2007. The weakness was shared 06/01/2007 by Stefan Esser (Website). The advisory is available at redhat.com. This vulnerability was named CVE-2007-3799 since 07/16/2007. 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.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 29838 (Debian DSA-1444-2 : 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 12568 (PHP HTTP Injection and Denial of Service Vulnerabilities).

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 (35650), Exploit-DB (30130), Tenable (29838), SecurityFocus (BID 24268†) and OSVDB (36855†). The entries VDB-38638, VDB-38630, VDB-38628 and VDB-38627 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CVSSv4info

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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

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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Nessus ID: 29838
Nessus Name: Debian DSA-1444-2 : php5 - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 60099
OpenVAS Name: Debian Security Advisory DSA 1444-1 (php5)
OpenVAS File: 🔍
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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

05/04/2007 🔍
06/01/2007 +28 days 🔍
06/01/2007 +0 days 🔍
06/04/2007 +2 days 🔍
07/16/2007 +42 days 🔍
07/16/2007 +0 days 🔍
08/21/2007 +36 days 🔍
09/21/2007 +30 days 🔍
09/30/2007 +9 days 🔍
01/04/2008 +96 days 🔍
01/23/2008 +19 days 🔍
03/15/2015 +2608 days 🔍
04/26/2025 +3695 days 🔍

Sourcesinfo

Product: php.org

Advisory: redhat.com
Researcher: Stefan Esser
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-3799 (🔍)
GCVE (CVE): GCVE-0-2007-3799
GCVE (VulDB): GCVE-100-37834

OVAL: 🔍

X-Force: 35650
SecurityFocus: 24268 - PHP EXT/Session HTTP Response Header Injection Vulnerability
Secunia: 26871
OSVDB: 36855 - PHP ext/session session_start Function Cookie Manipulation
Vulnerability Center: 16219 - PHP 4- 4.4.7 and 5- 5.2.3 Allows Remote Insertion of Arbitrary Attributes into Session Cookies, Medium
Vupen: ADV-2008-0924

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

Entryinfo

Created: 03/15/2015 15:58
Updated: 04/26/2025 03:43
Changes: 03/15/2015 15:58 (83), 07/26/2019 21:09 (4), 04/26/2025 03:43 (22)
Complete: 🔍
Cache ID: 216::103

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

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