wnpa-sec-2021-21 · Sysdig Event dissector crash

Summary

Name: Sysdig Event dissector crash

Docid: wnpa-sec-2021-21

Date: December 29, 2021

Affected versions: 3.6.0, 3.4.0 to 3.4.10

Fixed versions: 3.6.1, 3.4.11

References:
CVE-2021-4181

Details

Description

The Sysdig Event dissector could crash. Discovered by Leonardo Grasso, Jason Dellaluce, and Federico Di Pierro.

Impact

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 3.6.1, 3.4.11 or later.