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AUSCERT External Security Bulletin Redistribution
ESB-2015.0158
Samba vulnerability
23 January 2015
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AusCERT Security Bulletin Summary
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Product: samba
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2014-8143
Reference: ESB-2015.0117
Original Bulletin:
http://www.ubuntu.com/usn/usn-2481-1
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USN-2481-1: Samba vulnerability
Ubuntu Security Notice USN-2481-1
22nd January, 2015
samba vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
Ubuntu 14.10
Ubuntu 14.04 LTS
Summary
A security issue was fixed in Samba.
Software description
samba - SMB/CIFS file, print, and login server for Unix
Details
Andrew Bartlett discovered that Samba incorrectly handled delegation of
authority when being used as an Active Directory Domain Controller. An
attacker given delegation privileges could use this issue to escalate their
privileges further.
Update instructions
The problem can be corrected by updating your system to the following package
version:
Ubuntu 14.10:
samba 2:4.1.11+dfsg-1ubuntu2.1
Ubuntu 14.04 LTS:
samba 2:4.1.6+dfsg-1ubuntu2.14.04.4
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
CVE-2014-8143
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