Netatalk 3.2.0 etc/afp/directory.c afp_mapname heap-based overflow

Summaryinfo

A vulnerability was found in Netatalk 3.2.0. It has been rated as critical. Affected is the function afp_mapname of the file etc/afp/directory.c. The manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2024-38441. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Netatalk 3.2.0. This issue affects the function afp_mapname of the file etc/afp/directory.c. 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:

Netatalk 3.2.0 has an off-by-one error and resultant heap-based buffer overflow because of setting ibuf[len] to '\0' in FPMapName in afp_mapname in etc/afp/directory.c.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-38441. The exploitation is known to be easy. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 211927 (Debian dla-3968 : netatalk - security update), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (211927). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• Netatalk

Version

• 3.2.0

Website

• Product: https://github.com/Netatalk/netatalk/

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CPE 2.2info

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

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