Samba LDAP protocol downgrade Vulnerability (CVE-2016-2112)

Source: Internet
Author: User
Tags ldap protocol server installation and configuration cve

Samba LDAP protocol downgrade Vulnerability (CVE-2016-2112)
Samba LDAP protocol downgrade Vulnerability (CVE-2016-2112)

Release date:
Updated on:

Affected Systems:

Samba Samba 4.x-4.2.11
Samba Samba 4.4.x-4.4.2
Samba Samba 4.3.x-4.3.8
Samba Samba 3.x


CVE (CAN) ID: CVE-2016-2112

Samba is a free software that implements the SMB protocol on Linux and UNIX systems. It consists of servers and client programs.

Samba 3.x, 4. x-4.2.11, 4.3.x-4.3.8, 4.4.x-4.4.2, the bound LDAP client library does not recognize the "client ldap sasl wrapping" setting. By modifying the data streams from the client to the server, man-in-the-middle attackers can perform LDAP-based degradation attacks.

<* Source: Stefan Metzmacher



Vendor patch:

Samba has released a Security Bulletin (CVE-2016-2112) and patches for this:
CVE-2016-2112: The LDAP client and server don't enforce integrity protection

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