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CVE
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CVE-2016-2119Date: (C)2016-08-25   (M)2018-05-10


libcli/smb/smbXcli_base.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, 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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.5CVSS Score : 6.8
Exploit Score: 1.6Exploit Score: 8.6
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: REQUIREDConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
SECTRACK-1036244
BID-91700
RHSA-2016:1486
RHSA-2016:1487
RHSA-2016:1494
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
https://www.samba.org/samba/security/CVE-2016-2119.html
openSUSE-SU-2016:1830

CPE    69
cpe:/a:samba:samba:4.1.13
cpe:/a:samba:samba:4.1.12
cpe:/a:samba:samba:4.1.11
cpe:/a:samba:samba:4.1.10
...
CWE    1
CWE-284
OVAL    12
oval:org.secpod.oval:def:703289
oval:org.secpod.oval:def:602704
oval:org.secpod.oval:def:501852
oval:org.secpod.oval:def:501853
...

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