PHP up to 4.0.0 mail memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in PHP up to 4.0.0 and classified as critical. Affected by this issue is the function mail. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2007-1718. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP up to 4.0.0 (Programming Language Software). It has been declared as critical. This vulnerability affects the function mail. 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 integrity. CVE summarizes:

CRLF injection vulnerability in the mail function in PHP 4.0.0 through 4.4.6 and 5.0.0 through 5.2.1 allows remote attackers to inject arbitrary e-mail headers and possibly conduct spam attacks via a control character immediately following folding of the (1) Subject or (2) To parameter, as demonstrated by a parameter containing a "\r\n\t\n" sequence, related to an increment bug in the SKIP_LONG_HEADER_SEP macro.

The bug was discovered 03/26/2007. The weakness was disclosed 03/27/2007 by Stefan Esser (Website). The advisory is shared for download at debian.org. This vulnerability was named CVE-2007-1718 since 03/27/2007. 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.

It is possible to download the exploit at securityfocus.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 25095 (CentOS 5 : php (CESA-2007:0153)), 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 156177 (Oracle Enterprise Linux Update for PHP (ELSA-2007-0155)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (33516), Exploit-DB (29784), Tenable (25095), SecurityFocus (BID 23145†) and OSVDB (33948†). The entries VDB-3288, VDB-3281, VDB-3286 and VDB-3283 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: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
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: 🔍

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25095
Nessus Name: CentOS 5 : php (CESA-2007:0153)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 58334
OpenVAS Name: Debian Security Advisory DSA 1282-1 (php4)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

03/26/2007 🔍
03/26/2007 +0 days 🔍
03/26/2007 +0 days 🔍
03/27/2007 +1 days 🔍
03/27/2007 +0 days 🔍
03/27/2007 +0 days 🔍
04/17/2007 +21 days 🔍
04/20/2007 +3 days 🔍
04/21/2007 +1 days 🔍
04/23/2007 +2 days 🔍
04/30/2007 +7 days 🔍
03/13/2015 +2874 days 🔍
04/25/2025 +3696 days 🔍

Sourcesinfo

Product: php.org

Advisory: debian.org
Researcher: Stefan Esser
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-1718 (🔍)
GCVE (CVE): GCVE-0-2007-1718
GCVE (VulDB): GCVE-100-35872

OVAL: 🔍

X-Force: 33516
SecurityFocus: 23145 - PHP Folded Mail Headers Email Header Injection Vulnerability
Secunia: 24924
OSVDB: 33948 - PHP email messages manipulation
SecurityTracker: 1017946
Vulnerability Center: 14920 - PHP CRLF Injection in the Mail Function, High

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

Entryinfo

Created: 03/13/2015 12:16
Updated: 04/25/2025 16:01
Changes: 03/13/2015 12:16 (82), 07/18/2019 11:07 (9), 04/25/2025 16:01 (17)
Complete: 🔍
Cache ID: 216:9D0:103

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