CVE-2016-2119

CVE Details

Release Date:	2016-07-07
Impact:	Moderate	What is this?

Description

libcli/smb/smbXcli_base.c in Samba 4.x before 4.2.14, 4.3.x before4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently spoof SMB2 and SMB3 servers, via the (1) SMB2_SESSION_FLAG_IS_GUEST or (2) SMB2_SESSION_FLAG_IS_NULL flag.

See more information about CVE-2016-2119 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	5.4
Vector String:	AV:A/AC:M/Au:N/C:P/I:P/A:P
Version:	2.0
Attack Vector:	Adjacent Network
Attack Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (samba4)	ELSA-2016-1487	2016-07-26
Oracle Linux version 7 (samba)	ELSA-2016-1486	2016-07-26