CVE-2016-0771
MEDIUM severity · CVSS 5.9 · Memory corruption
5.9CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredLow
User interactionNone
Confidentiality impactLow
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.samba.org/samba/security/CVE-2016-0771.htmlAdvisory
- 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