wnpa-sec-2020-20 · QUIC dissector crash

Summary

Name: QUIC dissector crash

Docid: wnpa-sec-2020-20

Date: December 18, 2020

Affected versions: None

Fixed versions: None

References:
Wireshark issue 17073
CVE-2020-26422

Details

Description

The original version of this advisory reported that this issue affected Wireshark 3.4.0 to 3.4.1, and that it was fixed in 3.4.2. As discussed in issue 17073, the vulnerability was not present in any official Wireshark release.

The QUIC dissector could crash.

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 None or later.