CVE-2016-0771
Description
The internal DNS server in Samba 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, when an AD DC is configured, allows remote authenticated users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from process memory by uploading a crafted DNS TXT record.
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 โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ 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 | 2:4.3.6+dfsg-1 |
| debian | bullseye | fixed | 2:4.3.6+dfsg-1 |
| debian | forky | fixed | 2:4.3.6+dfsg-1 |
| debian | sid | fixed | 2:4.3.6+dfsg-1 |
| debian | trixie | fixed | 2:4.3.6+dfsg-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| 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 | |
| samba | samba | 4.0.16 | |
| samba | samba | 4.0.17 | |
| samba | samba | 4.0.18 | |
| samba | samba | 4.0.19 | |
| samba | samba | 4.0.20 | |
| samba | samba | 4.0.21 | |
| samba | samba | 4.0.22 | |
| samba | samba | 4.0.23 | |
| samba | samba | 4.0.24 | |
| 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 | 4.1.6 | |
| samba | samba | 4.1.7 | |
| samba | samba | 4.1.8 | |
| samba | samba | 4.1.9 | |
| samba | samba | 4.1.10 | |
| samba | samba | 4.1.11 | |
| samba | samba | 4.1.12 | |
| samba | samba | 4.1.13 | |
| samba | samba | 4.1.14 | |
| samba | samba | 4.1.15 | |
| samba | samba | 4.1.16 | |
| samba | samba | 4.1.17 | |
| samba | samba | 4.1.18 | |
| samba | samba | 4.1.19 | |
| samba | samba | 4.1.20 | |
| samba | samba | 4.1.21 | |
| samba | samba | 4.1.22 | |
| samba | samba | 4.2.0 | |
| samba | samba | 4.2.1 | |
| samba | samba | 4.2.2 | |
| samba | samba | 4.2.3 | |
| samba | samba | 4.2.4 | |
| samba | samba | 4.2.5 | |
| samba | samba | 4.2.6 | |
| samba | samba | 4.2.7 | |
| samba | samba | 4.2.8 | |
| samba | samba | 4.3.0 | |
| samba | samba | 4.3.1 | |
| samba | samba | 4.3.2 | |
| samba | samba | 4.3.3 | |
| samba | samba | 4.3.4 | |
| samba | samba | 4.3.5 | |
| samba | samba | 4.4.0 | |
References
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.html
- http://www.debian.org/security/2016/dsa-3514
- http://www.securityfocus.com/bid/84273
- http://www.securitytracker.com/id/1035219
- http://www.ubuntu.com/usn/USN-2922-1
- https://bugzilla.samba.org/show_bug.cgi?id=11128
- https://bugzilla.samba.org/show_bug.cgi?id=11686
- https://www.samba.org/samba/security/CVE-2016-0771.html
- https://security-tracker.debian.org/tracker/CVE-2016-0771
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.