Wireshark up to 4.0.13/4.2.3 T.38 Dissector mismatched memory management routines

Summaryinfo

A vulnerability has been found in Wireshark up to 4.0.13/4.2.3 and classified as problematic. This affects an unknown function of the component T.38 Dissector. This manipulation causes mismatched memory management routines. The identification of this vulnerability is CVE-2024-2955. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Wireshark up to 4.0.13/4.2.3 and classified as problematic. Affected by this vulnerability is an unknown part of the component T.38 Dissector. The manipulation with an unknown input leads to a mismatched memory management routines vulnerability. The CWE definition for the vulnerability is CWE-762. The product attempts to return a memory resource to the system, but it calls a release function that is not compatible with the function that was originally used to allocate that resource. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file

It is possible to read the advisory at gitlab.com. This vulnerability is known as CVE-2024-2955 since 03/26/2024. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 207910 (Debian dla-3906 : libwireshark-data - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.0.14 or 4.2.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (207910). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Packet Analyzer Software

Name

• Wireshark

Version

• 4.0.0
• 4.0.1
• 4.0.2
• 4.0.3
• 4.0.4
• 4.0.5
• 4.0.6
• 4.0.7
• 4.0.8
• 4.0.9
• 4.0.10
• 4.0.11
• 4.0.12
• 4.0.13
• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3

License

• open-source

Website

• Product: https://www.wireshark.org/

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

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