CVE-2015-7560
Description
The SMB1 implementation in smbd in Samba 3.x and 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4 allows remote authenticated users to modify arbitrary ACLs by using a UNIX SMB1 call to create a symlink, and then using a non-UNIX SMB1 call to write to the ACL content.
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
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Ubuntu Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 15.10 | Affected | — |
| 14.04 | Affected | — |
| 12.04 | Affected | — |
Debian Mixed 7 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2:4.3.6+dfsg-1 |
| sid | Fixed | 2:4.3.6+dfsg-1 |
| forky | Fixed | 2:4.3.6+dfsg-1 |
| bullseye | Fixed | 2:4.3.6+dfsg-1 |
| bookworm | Fixed | 2:4.3.6+dfsg-1 |
| 8.0 | Affected | — |
| 7.0 | Affected | — |
References
- https://www.suse.com/security/cve/CVE-2015-7560.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178730.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178764.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/180000.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00065.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00081.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00090.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00092.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html
- http://www.debian.org/security/2016/dsa-3514
- http://www.securityfocus.com/bid/84267
- http://www.securitytracker.com/id/1035220
- http://www.ubuntu.com/usn/USN-2922-1
- https://bugzilla.samba.org/show_bug.cgi?id=11648
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05121842
- https://www.samba.org/samba/security/CVE-2015-7560.html
- https://security-tracker.debian.org/tracker/CVE-2015-7560
CWEs
CWE-284
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.