PHP up to 8.1.29/8.2.23/8.3.11 HTTP POST Request request smuggling

Summaryinfo

A vulnerability has been found in PHP up to 8.1.29/8.2.23/8.3.11 and classified as problematic. The affected element is an unknown function of the component HTTP POST Request Handler. The manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2024-8925. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in PHP up to 8.1.29/8.2.23/8.3.11 and classified as problematic. This issue affects an unknown part of the component HTTP POST Request Handler. Using CWE to declare the problem leads to CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. Impacted is integrity. The summary by CVE is:

In PHP versions 8.1.* before 8.1.30, 8.2.* before 8.2.24, 8.3.* before 8.3.12, erroneous parsing of multipart form data contained in an HTTP POST request could lead to legitimate data not being processed. This could lead to malicious attacker able to control part of the submitted data being able to exclude portion of other data, potentially leading to erroneous application behavior.

The weakness was disclosed by Mihail Kirov as GHSA-9pqp-7h25-4f32. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-8925 since 09/17/2024. The exploitation is known to be difficult. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/17/2024).

The vulnerability scanner Nessus provides a plugin with the ID 208984 (Debian dla-3920 : libapache2-mod-php7.4 - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 8.1.30, 8.2.24 or 8.3.12 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208984). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Programming Language Software

Name

• PHP

Version

• 8.1.0
• 8.1.1
• 8.1.2
• 8.1.3
• 8.1.4
• 8.1.5
• 8.1.6
• 8.1.7
• 8.1.8
• 8.1.9
• 8.1.10
• 8.1.11
• 8.1.12
• 8.1.13
• 8.1.14
• 8.1.15
• 8.1.16
• 8.1.17
• 8.1.18
• 8.1.19
• 8.1.20
• 8.1.21
• 8.1.22
• 8.1.23
• 8.1.24
• 8.1.25
• 8.1.26
• 8.1.27
• 8.1.28
• 8.1.29
• 8.2.0
• 8.2.1
• 8.2.2
• 8.2.3
• 8.2.4
• 8.2.5
• 8.2.6
• 8.2.7
• 8.2.8
• 8.2.9
• 8.2.10
• 8.2.11
• 8.2.12
• 8.2.13
• 8.2.14
• 8.2.15
• 8.2.16
• 8.2.17
• 8.2.18
• 8.2.19
• 8.2.20
• 8.2.21
• 8.2.22
• 8.2.23
• 8.3.0
• 8.3.1
• 8.3.2
• 8.3.3
• 8.3.4
• 8.3.5
• 8.3.6
• 8.3.7
• 8.3.8
• 8.3.9
• 8.3.10
• 8.3.11

License

• open-source

Website

• Product: https://www.php.org/

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Be aware that VulDB is the high quality source for vulnerability data.

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