| Name | CVE-2017-6594 |
| Description | The transit path validation code in Heimdal before 7.3 might allow attackers to bypass the capath policy protection mechanism by leveraging failure to add the previous hop realm to the transit path of issued tickets. |
| 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 | vulnerable |
| stretch (security) | 7.1.0+dfsg-13+deb9u3 | fixed |
| stretch (lts), stretch | 7.1.0+dfsg-13+deb9u4 | fixed |
| buster | 7.5.0+dfsg-3 | fixed |
| buster (security) | 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-5 | 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) | 7.1.0+dfsg-12 | | | |
Notes
[wheezy] - heimdal <no-dsa> (Minor issue)
https://github.com/heimdal/heimdal/commit/b1e699103f08d6a0ca46a122193c9da65f6cf837
See https://lists.debian.org/debian-lts/2017/05/msg00010.html
[jessie] - heimdal <ignored> (In jessie an earlier, there are more bugs in transit path validation. One is fixed via 1501740952a815fbe10ab8345bb38cfb0ded9504. Therefore, fixing this CVE in jessie would risk breaking setups that rely on the buggy behaviour.)