USN-3426-2: Samba vulnerabilities

2 November 2017

Several security issues were fixed in XXX-APP-XXX.

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Releases

Packages

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

Details

USN-3426-1 fixed several vulnerabilities in Samba. This update
provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Stefan Metzmacher discovered that Samba incorrectly enforced SMB signing in
certain situations. A remote attacker could use this issue to perform a
machine-in-the-middle attack. (CVE-2017-12150)

Yihan Lian and Zhibin Hu discovered that Samba incorrectly handled memory
when SMB1 is being used. A remote attacker could possibly use this issue to
obtain server memory contents. (CVE-2017-12163)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 12.04

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

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