CVE-2018-7421

NameCVE-2018-7421
DescriptionIn Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wireshark (PTS)buster2.6.20-0+deb10u4fixed
buster (security)2.6.20-0+deb10u8fixed
bullseye (security), bullseye3.4.10-0+deb11u1fixed
bookworm, bookworm (security)4.0.11-1~deb12u1fixed
trixie4.2.2-1fixed
sid4.2.2-1.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksourcewheezy(not affected)
wiresharksourcejessie(not affected)
wiresharksource(unstable)2.4.5-1low

Notes

[jessie] - wireshark <not-affected> (Vulnerable code introduced later)
[wheezy] - wireshark <not-affected> (Vulnerable code introduced later)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14408
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=656812ee1f2a8ddfd383b02a066e888f5919e17a
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=e8be5adae469ba563acfad2c2b98673e1afaf901
https://www.wireshark.org/security/wnpa-sec-2018-06.html

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