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ubuntuUbuntuUSN-3353-2
HistoryJul 14, 2017 - 12:00 a.m.

Samba vulnerability

2017-07-1400:00:00
ubuntu.com
56

CVSS2

6.8

Attack Vector

NETWORK

Attack 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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.2

Confidence

High

EPSS

0.047

Percentile

92.7%

Releases

  • Ubuntu 17.04
  • Ubuntu 16.10
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

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

Details

USN-3353-1 fixed a vulnerability in Heimdal. This update provides
the corresponding update for Samba.

Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered
that Samba clients incorrectly trusted unauthenticated portions of
Kerberos tickets. A remote attacker could use this to impersonate
trusted network servers or perform other attacks.

OSVersionArchitecturePackageVersionFilename
Ubuntu17.04noarchsamba-libs<Β 2:4.5.8+dfsg-0ubuntu0.17.04.4UNKNOWN
Ubuntu17.04noarchctdb<Β 2:4.5.8+dfsg-0ubuntu0.17.04.4UNKNOWN
Ubuntu17.04noarchctdb-dbgsym<Β 2:4.5.8+dfsg-0ubuntu0.17.04.4UNKNOWN
Ubuntu17.04noarchlibnss-winbind<Β 2:4.5.8+dfsg-0ubuntu0.17.04.4UNKNOWN
Ubuntu17.04noarchlibnss-winbind-dbgsym<Β 2:4.5.8+dfsg-0ubuntu0.17.04.4UNKNOWN
Ubuntu17.04noarchlibpam-winbind<Β 2:4.5.8+dfsg-0ubuntu0.17.04.4UNKNOWN
Ubuntu17.04noarchlibpam-winbind-dbgsym<Β 2:4.5.8+dfsg-0ubuntu0.17.04.4UNKNOWN
Ubuntu17.04noarchlibparse-pidl-perl<Β 2:4.5.8+dfsg-0ubuntu0.17.04.4UNKNOWN
Ubuntu17.04noarchlibsmbclient<Β 2:4.5.8+dfsg-0ubuntu0.17.04.4UNKNOWN
Ubuntu17.04noarchlibsmbclient-dbgsym<Β 2:4.5.8+dfsg-0ubuntu0.17.04.4UNKNOWN
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CVSS2

6.8

Attack Vector

NETWORK

Attack 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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.2

Confidence

High

EPSS

0.047

Percentile

92.7%