wnpa-sec-2024-06 · T.38 dissector crash
Summary
Name: T.38 dissector crash
Docid: wnpa-sec-2024-06
Date: March 27, 2024
Affected versions: 4.2.0 to 4.2.3, 4.0.0 to 4.0.13
Fixed versions: 4.2.4, 4.0.14
References:
Wireshark issue 19695.
CVE-2024-2955.
Details
Description
The T.38 protocol dissector could crash.
Impact
Discovered in our internal testing environment. We are unaware of any exploits for this issue. It may be possible to make Wireshark crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.
Resolution
Upgrade to Wireshark 4.2.4, 4.0.14 or later.