| Name | CVE-2007-5939 |
| Description | The 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. |
| Source | CVE (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 Package | Release | Version | Status |
|---|
| heimdal (PTS) | jessie, jessie (lts) | 1.6~rc2+dfsg-9+deb8u3 | fixed |
| stretch (security) | 7.1.0+dfsg-13+deb9u3 | fixed |
| stretch (lts), stretch | 7.1.0+dfsg-13+deb9u4 | fixed |
| buster (security), buster, buster (lts) | 7.5.0+dfsg-3+deb10u2 | fixed |
| bullseye (security), bullseye | 7.7.0+dfsg-2+deb11u3 | fixed |
| bookworm | 7.8.git20221117.28daf24+dfsg-2 | fixed |
| sid, trixie | 7.8.git20221117.28daf24+dfsg-8 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| heimdal | source | (unstable) | (not affected) | | | |
Notes
- heimdal <not-affected> (vulnerable code not present, ticketfile is just unlinked which is ok)