Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2016-2114

Disclosure Date: April 25, 2016
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The SMB1 protocol implementation in Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the “server signing = mandatory” setting, which allows man-in-the-middle attackers to spoof SMB servers by modifying the client-server data stream.

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CVSS V3 Severity and Metrics
Base Score:
5.9 Medium
Impact Score:
3.6
Exploitability Score:
2.2
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
High
Availability (A):
None

General Information

Vendors

  • canonical,
  • samba

Products

  • samba 4.0.0,
  • samba 4.0.1,
  • samba 4.0.10,
  • samba 4.0.11,
  • samba 4.0.12,
  • samba 4.0.13,
  • samba 4.0.14,
  • samba 4.0.15,
  • samba 4.0.16,
  • samba 4.0.17,
  • samba 4.0.18,
  • samba 4.0.19,
  • samba 4.0.2,
  • samba 4.0.20,
  • samba 4.0.21,
  • samba 4.0.22,
  • samba 4.0.23,
  • samba 4.0.24,
  • samba 4.0.25,
  • samba 4.0.26,
  • samba 4.0.3,
  • samba 4.0.4,
  • samba 4.0.5,
  • samba 4.0.6,
  • samba 4.0.7,
  • samba 4.0.8,
  • samba 4.0.9,
  • samba 4.1.0,
  • samba 4.1.1,
  • samba 4.1.10,
  • samba 4.1.11,
  • samba 4.1.12,
  • samba 4.1.13,
  • samba 4.1.14,
  • samba 4.1.15,
  • samba 4.1.16,
  • samba 4.1.17,
  • samba 4.1.18,
  • samba 4.1.19,
  • samba 4.1.2,
  • samba 4.1.20,
  • samba 4.1.21,
  • samba 4.1.22,
  • samba 4.1.23,
  • samba 4.1.3,
  • samba 4.1.4,
  • samba 4.1.5,
  • samba 4.1.6,
  • samba 4.1.7,
  • samba 4.1.8,
  • samba 4.1.9,
  • samba 4.2.0,
  • samba 4.2.1,
  • samba 4.2.2,
  • samba 4.2.3,
  • samba 4.2.4,
  • samba 4.2.5,
  • samba 4.2.6,
  • samba 4.2.7,
  • samba 4.2.8,
  • samba 4.2.9,
  • samba 4.3.0,
  • samba 4.3.1,
  • samba 4.3.2,
  • samba 4.3.3,
  • samba 4.3.4,
  • samba 4.3.5,
  • samba 4.3.6,
  • samba 4.4.0,
  • ubuntu linux 14.04,
  • ubuntu linux 15.10,
  • ubuntu linux 16.04

References

Additional Info

Technical Analysis