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Ubuntu Security Notice USN-2341-1

Ubuntu Security Notice USN-2341-1
Posted Sep 8, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2341-1 - Salvatore Bonaccorso discovered that the CUPS web interface incorrectly validated permissions and incorrectly handled symlinks. An attacker could possibly use this issue to bypass file permissions and read arbitrary files, possibly leading to a privilege escalation.

tags | advisory, web, arbitrary
systems | linux, ubuntu
advisories | CVE-2014-5029, CVE-2014-5030, CVE-2014-5031
SHA-256 | f57044e3821a7f70ab5ef00b54419a5243bf8be708be9a4544a2ce036435c480

Ubuntu Security Notice USN-2341-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-2341-1
September 08, 2014

cups vulnerabilities
============================================================================

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

- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

CUPS could be made to expose sensitive information, leading to privilege
escalation.

Software Description:
- cups: Common UNIX Printing System(tm)

Details:

Salvatore Bonaccorso discovered that the CUPS web interface incorrectly
validated permissions and incorrectly handled symlinks. An attacker could
possibly use this issue to bypass file permissions and read arbitrary
files, possibly leading to a privilege escalation.

Update instructions:

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

Ubuntu 14.04 LTS:
cups 1.7.2-0ubuntu1.2

Ubuntu 12.04 LTS:
cups 1.5.3-0ubuntu8.5

Ubuntu 10.04 LTS:
cups 1.4.3-1ubuntu1.13

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

References:
http://www.ubuntu.com/usn/usn-2341-1
CVE-2014-5029, CVE-2014-5030, CVE-2014-5031

Package Information:
https://launchpad.net/ubuntu/+source/cups/1.7.2-0ubuntu1.2
https://launchpad.net/ubuntu/+source/cups/1.5.3-0ubuntu8.5
https://launchpad.net/ubuntu/+source/cups/1.4.3-1ubuntu1.13
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