CVE-2020-25866

NameCVE-2020-25866
DescriptionIn Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has a NULL pointer dereference because a buffer was sized for compressed (not uncompressed) messages. This was addressed in epan/dissectors/packet-blip.c by allowing reasonable compression ratios and rejecting ZIP bombs.
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~deb9u1fixed
buster2.6.8-1.1fixed
bullseye, sid3.2.7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksourcestretch(not affected)
wiresharksourcebuster(not affected)
wiresharksource(unstable)3.2.7-1

Notes

[buster] - wireshark <not-affected> (Vulnerable code not present)
[stretch] - wireshark <not-affected> (Vulnerable code not present)
https://www.wireshark.org/security/wnpa-sec-2020-13.html
https://gitlab.com/wireshark/wireshark/-/issues/16866
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