Multipart Parsing flaw in PHP 8.18.1.30, 8.28.2.24: Data Exclusion (CVE-2024-8925)
CVE-2024-8925 Published on October 8, 2024

Erroneous parsing of multipart form data
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.

NVD

Vulnerability Analysis

CVE-2024-8925 can be exploited with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2024-8925. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

What is a HTTP Request Smuggling Vulnerability?

When malformed or abnormal HTTP requests are interpreted by one or more entities in the data flow between the user and the web server, such as a proxy or firewall, they can be interpreted inconsistently, allowing the attacker to "smuggle" a request to one device without the other device being aware of it.

CVE-2024-8925 has been classified to as a HTTP Request Smuggling vulnerability or weakness.


Products Associated with CVE-2024-8925

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2024-8925 are published in these products:

PHP
 
Canonical Ubuntu Linux
 
Php Fpm
 

Affected Versions

PHP Group PHP: php:

Exploit Probability

EPSS
2.40%
Percentile
84.79%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.