Headline
CVE-2021-4182: Wireshark · wnpa-sec-2021-20 · RFC 7468 file parser infinite loop
Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file
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.