USN-2508-1: Samba vulnerability

Ubuntu Security Notice USN-2508-1

23rd February, 2015

samba vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 14.10
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

Samba could be made to run programs as an administrator if it received specially crafted network traffic.

Software description

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

Details

Richard van Eeden discovered that the Samba smbd file services incorrectly
handled memory. A remote attacker could use this issue to possibly execute
arbitrary code with root privileges.

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-1ubuntu2.2
Ubuntu 14.04 LTS:
samba 2:4.1.6+dfsg-1ubuntu2.14.04.7
Ubuntu 12.04 LTS:
samba 2:3.6.3-2ubuntu2.12

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-2015-0240