CVE Catalog

CVE-2016-2118

High
Published: Translated: NVD NIST

Summary

The MS-SAMR and MS-LSAD protocol implementations in Samba 3.x and 4.x before versions 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 mishandle DCERPC connections, allowing man-in-the-middle attackers to perform downgrade attacks and impersonate users by modifying the client-server data stream.

Risk Assessment

Organizations may be vulnerable to attacks that allow for user impersonation and data manipulation, potentially leading to serious security breaches.

Recommendation

It is recommended to upgrade to the latest versions of Samba to mitigate this vulnerability and implement additional security measures such as monitoring network traffic.

Related vulnerabilities

Original NVD description (English source)

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."

Vulnerability data from NVD (NIST) · CISA KEV · EPSS