wnpa-sec-2021-20 · RFC 7468 file parser infinite loop
Summary
Name: RFC 7468 file parser infinite loop
Docid: wnpa-sec-2021-20
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:
Wireshark issue 17801.
CVE-2021-4182.
Details
Description
The RFC 7468 file parser could go into an infinite loop. Discovered by Роман Донченко.
Impact
It may be possible to make Wireshark consume excessive CPU resources by convincing someone to read a malformed packet trace file.
Resolution
Upgrade to Wireshark 3.6.1, 3.4.11 or later.