CVE-2007-5939

NameCVE-2007-5939
DescriptionThe gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username. NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.
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
heimdal (PTS)buster7.5.0+dfsg-3fixed
buster (security)7.5.0+dfsg-3+deb10u2fixed
bullseye (security), bullseye7.7.0+dfsg-2+deb11u3fixed
bookworm7.8.git20221117.28daf24+dfsg-2fixed
trixie7.8.git20221117.28daf24+dfsg-4fixed
sid7.8.git20221117.28daf24+dfsg-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
heimdalsource(unstable)(not affected)

Notes

- heimdal <not-affected> (vulnerable code not present, ticketfile is just unlinked which is ok)

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