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ubuntuUbuntuUSN-3092-1
HistorySep 28, 2016 - 12:00 a.m.

Samba vulnerability

2016-09-2800:00:00
ubuntu.com
48

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

7.3 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.005 Low

EPSS

Percentile

76.3%

Releases

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • samba - SMB/CIFS file, print, and login server for Unix

Details

Stefan Metzmacher discovered that Samba incorrectly handled certain flags
in SMB2/3 client connections. A remote attacker could use this issue to
disable client signing and impersonate servers by performing a
machine-in-the-middle attack.

Samba has been updated to 4.3.11 in Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.
In addition to the security fix, the updated packages contain bug fixes,
new features, and possibly incompatible changes.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.04noarchsamba< 2:4.3.11+dfsg-0ubuntu0.16.04.1UNKNOWN
Ubuntu16.04noarchctdb< 2:4.3.11+dfsg-0ubuntu0.16.04.1UNKNOWN
Ubuntu16.04noarchctdb-dbgsym< 2:4.3.11+dfsg-0ubuntu0.16.04.1UNKNOWN
Ubuntu16.04noarchlibnss-winbind< 2:4.3.11+dfsg-0ubuntu0.16.04.1UNKNOWN
Ubuntu16.04noarchlibnss-winbind-dbgsym< 2:4.3.11+dfsg-0ubuntu0.16.04.1UNKNOWN
Ubuntu16.04noarchlibpam-winbind< 2:4.3.11+dfsg-0ubuntu0.16.04.1UNKNOWN
Ubuntu16.04noarchlibpam-winbind-dbgsym< 2:4.3.11+dfsg-0ubuntu0.16.04.1UNKNOWN
Ubuntu16.04noarchlibparse-pidl-perl< 2:4.3.11+dfsg-0ubuntu0.16.04.1UNKNOWN
Ubuntu16.04noarchlibparse-pidl-perl-dbgsym< 2:4.3.11+dfsg-0ubuntu0.16.04.1UNKNOWN
Ubuntu16.04noarchlibsmbclient< 2:4.3.11+dfsg-0ubuntu0.16.04.1UNKNOWN
Rows per page:
1-10 of 821

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

7.3 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.005 Low

EPSS

Percentile

76.3%