Wireshark up to 4.2.8/4.4.1 ECMP Dissector buffer over-read

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Wireshark up to 4.2.8/4.4.1. Affected by this issue is some unknown functionality of the component ECMP Dissector. The manipulation leads to buffer over-read. This vulnerability is documented as CVE-2024-11596. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Wireshark up to 4.2.8/4.4.1. This issue affects an unknown functionality of the component ECMP Dissector. The manipulation with an unknown input leads to a buffer over-read vulnerability. Using CWE to declare the problem leads to CWE-126. The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer. Impacted is availability. The summary by CVE is:

ECMP dissector crash in Wireshark 4.4.0 to 4.4.1 and 4.2.0 to 4.2.8 allows denial of service via packet injection or crafted capture file

The weakness was released by Ivan Nardi. It is possible to read the advisory at wireshark.org. The identification of this vulnerability is CVE-2024-11596 since 11/21/2024. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 211657 (Wireshark 4.2.x < 4.2.9 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.2.9 or 4.4.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (211657). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Packet Analyzer Software

Name

• Wireshark

Version

• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4
• 4.2.5
• 4.2.6
• 4.2.7
• 4.2.8
• 4.4.0
• 4.4.1

License

• open-source

Website

• Product: https://www.wireshark.org/

CPE 2.3info

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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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