USN-3486-1: Samba vulnerabilities

Releases

• Ubuntu 17.10
• Ubuntu 17.04
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

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)

Update instructions

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

Ubuntu 17.10

• samba - 2:4.6.7+dfsg-1ubuntu3.1

Ubuntu 17.04

• samba - 2:4.5.8+dfsg-0ubuntu0.17.04.8

Ubuntu 16.04

• samba - 2:4.3.11+dfsg-0ubuntu0.16.04.12

Ubuntu 14.04

• samba - 2:4.3.11+dfsg-0ubuntu0.14.04.13

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

References

• CVE-2017-14746
• CVE-2017-15275

Related notices

• USN-3486-2: samba