Samba SMB server Spoofing Vulnerability (CVE-2016-2114)

Samba SMB server Spoofing Vulnerability (CVE-2016-2114)
Samba SMB server Spoofing Vulnerability (CVE-2016-2114)

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

Description:

CVE (CAN) ID: CVE-2016-2114

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 versions, SMB1 protocol does not recognize "server signing = mandatory" settings. By modifying the data stream from the client to the server, man-in-the-middle attackers can fool the SMB server.

<* Source: Stefan Metzmacher
　

Link: https://www.samba.org/samba/security/CVE-2016-2114.html
*>

Suggestion:

Vendor patch:

Samba
-----
Samba has released a Security Bulletin (CVE-2016-2114) and patches for this:
CVE-2016-2114: "server signing = mandatory" not enforced
Link: https://www.samba.org/samba/security/CVE-2016-2114.html

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