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Sicherheit: Mangelnde Rechteprüfung in Samba (Aktualisierung)
Aktuelle Meldungen Distributionen
Name: Mangelnde Rechteprüfung in Samba (Aktualisierung)
ID: USN-3353-2
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 16.10, Ubuntu 17.04
Datum: Sa, 15. Juli 2017, 19:19
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11103
Update von: Mangelnde Rechteprüfung in Heimdal

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-3353-2
July 14, 2017

samba vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Samba could allow unintended access to network services.

Software Description:
- 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.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 17.04:
samba-libs 2:4.5.8+dfsg-0ubuntu0.17.04.4

Ubuntu 16.10:
samba-libs 2:4.4.5+dfsg-2ubuntu5.8

Ubuntu 16.04 LTS:
samba-libs 2:4.3.11+dfsg-0ubuntu0.16.04.9

Ubuntu 14.04 LTS:
samba-libs 2:4.3.11+dfsg-0ubuntu0.14.04.10

In general, a standard system update will make all the necessary changes.

References:
https://www.ubuntu.com/usn/usn-3353-2
https://www.ubuntu.com/usn/usn-3353-1
CVE-2017-11103

Package Information:
https://launchpad.net/ubuntu/+source/samba/2:4.5.8+dfsg-0ubuntu0.17.04.4
https://launchpad.net/ubuntu/+source/samba/2:4.4.5+dfsg-2ubuntu5.8
https://launchpad.net/ubuntu/+source/samba/2:4.3.11+dfsg-0ubuntu0.16.04.9
https://launchpad.net/ubuntu/+source/samba/2:4.3.11+dfsg-0ubuntu0.14.04.10


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