| Name | CVE-2019-14902 |
| Description | There is an issue in all samba 4.11.x versions before 4.11.5, all samba 4.10.x versions before 4.10.12 and all samba 4.9.x versions before 4.9.18, where the removal of the right to create or modify a subtree would not automatically be taken away on all domain controllers. |
| 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-2668-1, DLA-3563-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| samba (PTS) | jessie, jessie (lts) | 2:4.2.14+dfsg-0+deb8u16 | vulnerable |
| stretch (security) | 2:4.5.16+dfsg-1+deb9u4 | fixed |
| stretch (lts), stretch | 2:4.5.16+dfsg-1+deb9u5 | fixed |
| buster (security), buster, buster (lts) | 2:4.9.5+dfsg-5+deb10u5 | fixed |
| bullseye (security), bullseye | 2:4.13.13+dfsg-1~deb11u6 | fixed |
| bookworm (security), bookworm | 2:4.17.12+dfsg-0+deb12u1 | fixed |
| sid, trixie | 2:4.21.1+dfsg-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| samba | source | wheezy | (unfixed) | end-of-life | | |
| samba | source | stretch | 2:4.5.16+dfsg-1+deb9u4 | | DLA-2668-1 | |
| samba | source | buster | 2:4.9.5+dfsg-5+deb10u4 | | DLA-3563-1 | |
| samba | source | (unstable) | 2:4.11.5+dfsg-1 | | | |
Notes
[jessie] - samba <ignored> (difficult and risky backport to 4.2 in jessie)
https://www.samba.org/samba/security/CVE-2019-14902.html
Workaround: Use of 'samba-tool drs replicate $DC1 $DC2 $NC --full-sync' will
cause all ACLs to be syncronised from DC2 to DC1, for the given NC (naming
context).