USN-3486-1: Samba vulnerabilities
Ubuntu Security Notice USN-3486-1
21st November, 2017
samba vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Several security issues were fixed in Samba.
Software description
- 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 version:
- 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 LTS:
-
samba
2:4.3.11+dfsg-0ubuntu0.16.04.12
- Ubuntu 14.04 LTS:
-
samba
2:4.3.11+dfsg-0ubuntu0.14.04.13
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
Source: USN-3486-1: Samba vulnerabilities
