Wireshark up to 3.0.0 GSS-API Dissector packet-gssapi.c Packet resource management

Summaryinfo

A vulnerability has been found in Wireshark and classified as problematic. Affected is an unknown function of the file epan/dissectors/packet-gssapi.c of the component GSS-API Dissector. Performing a manipulation as part of Packet results in resource management. This vulnerability was named CVE-2019-10894. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Wireshark (Packet Analyzer Software). It has been classified as problematic. This affects an unknown part of the file epan/dissectors/packet-gssapi.c of the component GSS-API Dissector. The manipulation as part of a Packet leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

In Wireshark 2.4.0 to 2.4.13, 2.6.0 to 2.6.7, and 3.0.0, the GSS-API dissector could crash. This was addressed in epan/dissectors/packet-gssapi.c by ensuring that a valid dissector is called.

The bug was discovered 04/08/2019. The weakness was presented 04/09/2019 by Mateusz Jurczyk (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2019-10894 since 04/05/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371730 (Wireshark Multiple Security Vulnerabilities (wnpa-sec-2019-09 to wnpa-sec-2019-18)).

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 SecurityFocus (BID 107834†). See VDB-133144, VDB-133145, VDB-133146 and VDB-133147 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Packet Analyzer Software

Name

• Wireshark

Version

• 2.4.0
• 2.4.1
• 2.4.2
• 2.4.3
• 2.4.4
• 2.4.5
• 2.4.6
• 2.4.7
• 2.4.8
• 2.4.9
• 2.4.10
• 2.4.11
• 2.4.12
• 2.4.13
• 2.6.0
• 2.6.1
• 2.6.2
• 2.6.3
• 2.6.4
• 2.6.5
• 2.6.6
• 2.6.7
• 3.0.0

License

• open-source

Website

• Product: https://www.wireshark.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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

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