PHP up to 8.1.30/8.2.25/8.3.13 convert.quoted-printable-decode Filter heap-based overflow

Summaryinfo

A vulnerability, which was classified as critical, has been found in PHP up to 8.1.30/8.2.25/8.3.13. This impacts an unknown function of the component convert.quoted-printable-decode Filter. The manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2024-11233. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP up to 8.1.30/8.2.25/8.3.13. It has been rated as critical. This issue affects an unknown functionality of the component convert.quoted-printable-decode Filter. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In PHP versions 8.1.* before 8.1.31, 8.2.* before 8.2.26, 8.3.* before 8.3.14, due to an error in convert.quoted-printable-decode filter certain data can lead to buffer overread by one byte, which can in certain circumstances lead to crashes or disclose content of other memory areas.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2024-11233 since 11/15/2024. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/13/2025).

The vulnerability scanner Nessus provides a plugin with the ID 211742 (Fedora 41 : php (2024-3891a08c9e)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 8.1.31, 8.2.26 or 8.3.14 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (211742) and CERT Bund (WID-SEC-2024-3519). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Fedora Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• NetApp Data ONTAP
• SUSE openSUSE
• RESF Rocky Linux
• Open Source PHP

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
• 8.1.30
• 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
• 8.2.24
• 8.2.25
• 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
• 8.3.12
• 8.3.13

License

• open-source

Website

• Product: https://www.php.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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