Ubuntu Security Notice 3595-2 - USN-3595-1 fix a vulnerability in Samba. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that Samba incorrectly validated inputs to the RPC spoolss service. An authenticated attacker could use this issue to cause the service to crash, resulting in a denial of service. Various other issues were also addressed.
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Ubuntu Security Notice USN-3595-2
March 23, 2018
samba vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Samba could be made to crash if it received specially crafted
input.
Software Description:
- samba: SMB/CIFS file, print, and login server for Unix
Details:
USN-3595-1 fix a vulnerability in Samba. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that Samba incorrectly validated inputs to the RPC
spoolss service. An authenticated attacker could use this issue to
cause the service to crash, resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
samba 2:3.6.25-0ubuntu0.12.04.15
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3595-2
https://usn.ubuntu.com/usn/usn-3595-1
CVE-2018-1050