DescriptionThe (1) get_quoted_string and (2) get_unquoted_string functions in epan/dissectors/packet-cups.c in the CUPS dissector in Wireshark 1.12.x before 1.12.1 allow remote attackers to cause a denial of service (buffer over-read and application crash) via a CUPS packet that lacks a trailing '\0' character.
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+deb10u7fixed
bullseye (security), bullseye3.4.10-0+deb11u1fixed
bookworm, bookworm (security)4.0.6-1~deb12u1fixed
sid, trixie4.0.8-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksourcesqueeze(not affected)
wiresharksourcewheezy(not affected)


[wheezy] - wireshark <not-affected> (Only applies to 1.12.x)
[squeeze] - wireshark <not-affected> (Only applies to 1.12.x)

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