PHP up to 8.1.30/8.2.25/8.3.13 on 32-bit ldap_escape out-of-bounds write

Summaryinfo

A vulnerability identified as critical has been detected in PHP up to 8.1.30/8.2.25/8.3.13 on 32-bit. This affects the function ldap_escape. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2024-8932. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP up to 8.1.30/8.2.25/8.3.13 on 32-bit. It has been rated as critical. This issue affects the function ldap_escape. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. 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, uncontrolled long string inputs to ldap_escape() function on 32-bit systems can cause an integer overflow, resulting in an out-of-bounds write.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2024-8932 since 09/17/2024. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is 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/

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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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