wnpa-sec-2020-12 · TCP dissector crash
Summary
Name: TCP dissector crash
Docid: wnpa-sec-2020-12
Date: September 23, 2020
Affected versions: 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, 2.6.0 to 2.6.20
Fixed versions: 3.2.7, 3.0.14, 2.6.20
References:
Wireshark bug 16816
CVE-2020-25862
Details
Description
The TCP 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 3.2.7, 3.0.14, 2.6.20 or later.
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