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wnpa-sec-2023-28 · SSH dissector crash

Summary

Name: SSH dissector crash

Docid: wnpa-sec-2023-28

Date: November 15, 2023

Affected versions: 4.0.0 to 4.0.10

Fixed versions: 4.0.11

References:

Wireshark issue 19369.
CVE-2023-6174.

Details

Description

The SSH dissector could crash.

Impact

It may be possible to make Wireshark crash or consume excessive CPU resources by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

Resolution

Upgrade to Wireshark 4.0.11 or later.