CVE-2020-25862

NameCVE-2020-25862
DescriptionIn Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wireshark (PTS)stretch (security), stretch2.6.7-1~deb9u1vulnerable
buster2.6.8-1.1vulnerable
bullseye, sid3.2.7-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksource(unstable)3.2.7-1

Notes

[buster] - wireshark <postponed> (Minor issue, can be fixed along in next DSA)
[stretch] - wireshark <postponed> (Minor issue, can be fixed along in next DLA)
https://www.wireshark.org/security/wnpa-sec-2020-12.html
https://gitlab.com/wireshark/wireshark/-/issues/16816

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