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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2:4.1.6+dfsg-1 |
| debian | bullseye | fixed | 2:4.1.6+dfsg-1 |
| debian | forky | fixed | 2:4.1.6+dfsg-1 |
| debian | sid | fixed | 2:4.1.6+dfsg-1 |
| debian | trixie | fixed | 2:4.1.6+dfsg-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| samba | samba | 4.1.0 | |
| samba | samba | 4.1.1 | |
| samba | samba | 4.1.2 | |
| samba | samba | 4.1.3 | |
| samba | samba | 4.1.4 | |
| samba | samba | 4.1.5 | |
| samba | samba | 4.0.0 | |
| samba | samba | 4.0.1 | |
| samba | samba | 4.0.2 | |
| samba | samba | 4.0.3 | |
| samba | samba | 4.0.4 | |
| samba | samba | 4.0.5 | |
| samba | samba | 4.0.6 | |
| samba | samba | 4.0.7 | |
| samba | samba | 4.0.8 | |
| samba | samba | 4.0.9 | |
| samba | samba | 4.0.10 | |
| samba | samba | 4.0.11 | |
| samba | samba | 4.0.12 | |
| samba | samba | 4.0.13 | |
| samba | samba | 4.0.14 | |
| samba | samba | 4.0.15 | |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.html
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00062.html
- http://www.samba.org/samba/history/samba-4.0.16.html
- http://www.samba.org/samba/history/samba-4.1.6.html
- http://www.samba.org/samba/security/CVE-2013-6442
- http://www.securityfocus.com/bid/66232
- https://bugzilla.samba.org/show_bug.cgi?id=10327
- https://security-tracker.debian.org/tracker/CVE-2013-6442
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.