| Name | CVE-2013-6442 |
| Description | The owner_set function in smbcacls.c in smbcacls in Samba 4.0.x before 4.0.16 and 4.1.x before 4.1.6 removes an ACL during use of a --chown or --chgrp option, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances by leveraging an unintended administrative change. |
| 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 |
|---|
| samba (PTS) | jessie, jessie (lts) | 2:4.2.14+dfsg-0+deb8u16 | fixed |
| 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 | squeeze | (not affected) | | | |
| samba | source | wheezy | (not affected) | | | |
| samba | source | (unstable) | 2:4.1.6+dfsg-1 | low | | |
| samba4 | source | wheezy | 4.0.0~beta2+dfsg1-3.2+deb7u1 | | | |
| samba4 | source | (unstable) | (unfixed) | | | |
Notes
[squeeze] - samba <not-affected> (Only affects 4.x and later)
[wheezy] - samba <not-affected> (Only affects 4.x and later)
http://www.samba.org/samba/security/CVE-2013-6442