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.