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ubuntucveUbuntu.comUB:CVE-2016-2114
HistoryApr 12, 2016 - 12:00 a.m.

CVE-2016-2114

2016-04-1200:00:00
ubuntu.com
ubuntu.com
10

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.003 Low

EPSS

Percentile

65.9%

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 โ€œserver signing =
mandatoryโ€ setting, which allows man-in-the-middle attackers to spoof SMB
servers by modifying the client-server data stream.

Notes

Author Note
mdeslaur 4.0.0+ only
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchsamba<ย 2:4.3.8+dfsg-0ubuntu0.14.04.2UNKNOWN
ubuntu15.10noarchsamba<ย 2:4.3.8+dfsg-0ubuntu0.15.10.2UNKNOWN
ubuntu16.04noarchsamba<ย 2:4.3.8+dfsg-0ubuntu1UNKNOWN
ubuntu16.10noarchsamba<ย 2:4.3.8+dfsg-0ubuntu1UNKNOWN
ubuntu17.04noarchsamba<ย 2:4.3.8+dfsg-0ubuntu1UNKNOWN

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.003 Low

EPSS

Percentile

65.9%