wnpa-sec-2022-01 · RTMPT dissector infinite loop
Summary
Name: RTMPT dissector infinite loop
Docid: wnpa-sec-2022-01
Date: February 10, 2022
Affected versions: 3.6.0 to 3.6.1, 3.4.0 to 3.4.11
Fixed versions: 3.6.2, 3.4.12
References:
Wireshark issue 17813.
CVE-2022-0586.
Details
Description
The RTMPT dissector could go into an infinite loop. Discovered by Sharon Brizinov.
Impact
It may be possible to make Wireshark 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 3.6.2, 3.4.12 or later.