1. Ubuntu Security Notices
  2. USN-3486-1

USN-3486-1: Samba vulnerabilities

Publication date

21 November 2017

Overview

Several security issues were fixed in Samba.

Releases

Packages

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

Details

Yihan Lian and Zhibin Hu discovered that Samba incorrectly handled memory
when processing certain SMB1 requests. A remote attacker could possibly use
this issue to execute arbitrary code. (CVE-2017-14746)

Volker Lendecke discovered that Samba incorrectly cleared memory when
returning data to a client. A remote attacker could possibly use this issue
to obtain sensitive information. (CVE-2017-15275)

Yihan Lian and Zhibin Hu discovered that Samba incorrectly handled memory
when processing certain SMB1 requests. A remote attacker could possibly use
this issue to execute arbitrary code. (CVE-2017-14746)

Volker Lendecke discovered that Samba incorrectly cleared memory when
returning data to a client. A remote attacker could possibly use this issue
to obtain sensitive information. (CVE-2017-15275)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.10 artful samba –  2:4.6.7+dfsg-1ubuntu3.1
17.04 zesty samba –  2:4.5.8+dfsg-0ubuntu0.17.04.8
16.04 xenial samba –  2:4.3.11+dfsg-0ubuntu0.16.04.12
14.04 trusty samba –  2:4.3.11+dfsg-0ubuntu0.14.04.13

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References

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