CVE-2016-2118
HIGH severity · CVSS 7.5 · CWE-254
7.5CVSS HIGH
Summary
The MS-SAMR and MS-LSAD protocol implementations in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 mishandle DCERPC connections, which allows man-in-the-middle attackers to perform protocol-downgrade attacks and impersonate users by modifying the client-server data stream, aka "BADLOCK."
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)37%
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://badlock.org/Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00020.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00021.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00022.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00023.htmlAdvisory