| Name | CVE-2018-16860 |
| Description | A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1788-1, DSA-4443-1, DSA-4455-1 |
| Debian Bugs | 928966 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| heimdal (PTS) | 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 | |
| trixie | 7.8.git20221117.28daf24+dfsg-4 | fixed | |
| sid | 7.8.git20221117.28daf24+dfsg-5 | fixed | |
| samba (PTS) | buster | 2:4.9.5+dfsg-5+deb10u3 | fixed |
| buster (security) | 2:4.9.5+dfsg-5+deb10u5 | fixed | |
| bullseye | 2:4.13.13+dfsg-1~deb11u5 | fixed | |
| bullseye (security) | 2:4.13.13+dfsg-1~deb11u6 | fixed | |
| bookworm, bookworm (security) | 2:4.17.12+dfsg-0+deb12u1 | fixed | |
| trixie | 2:4.19.5+dfsg-1 | fixed | |
| sid | 2:4.19.6+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| heimdal | source | stretch | 7.1.0+dfsg-13+deb9u3 | DSA-4455-1 | ||
| heimdal | source | (unstable) | 7.5.0+dfsg-3 | 928966 | ||
| samba | source | jessie | 2:4.2.14+dfsg-0+deb8u13 | DLA-1788-1 | ||
| samba | source | stretch | 2:4.5.16+dfsg-1+deb9u2 | DSA-4443-1 | ||
| samba | source | (unstable) | 2:4.9.5+dfsg-4 |
[jessie] - heimdal <no-dsa> (Minor issue)
https://www.samba.org/samba/security/CVE-2018-16860.html
https://github.com/heimdal/heimdal/commit/c6257cc2c842c0faaeb4ef34e33890ee88c4cbba