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Ubuntu 14.04 LTS USN-2293-1 Critical CUPS Privilege Escalation

ubuntu
Calendar Grey July 21, 2014
Scroller Ubuntu
A vital security notice for Ubuntu concerning a cups vulnerability that reveals confidential information and entails opportunities for unauthorized privilege elevation.
CUPS could be made to expose sensitive information, leading to privilege escalation.

Summary

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

escalation.

Software Description:

- cups: Common UNIX Printing System(tm)

Details:

Francisco Alonso discovered that the CUPS web interface incorrectly

validated permissions on rss files. A local attacker could possibly use

this issue to bypass file permissions and read arbitrary files, possibly

leading to a privilege escalation.

Topics%20covered

Topics Covered

security advisory critical privilege escalation local attack cups ubuntu sensitive information

Update Instructions

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

Ubuntu 14.04 LTS:
  cups                            1.7.2-0ubuntu1.1

Ubuntu 12.04 LTS:
  cups                            1.5.3-0ubuntu8.4

Ubuntu 10.04 LTS:
  cups                            1.4.3-1ubuntu1.12

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

References

https://ubuntu.com/security/notices/USN-2293-1

CVE-2014-3537

Severity
critical
Lowest
Low
Medium
High
Critical

July 21, 2014

Topics%20covered

Topics Covered

security advisory critical privilege escalation local attack cups ubuntu sensitive information

Package Information

https://launchpad.net/ubuntu/+source/cups/1.7.2-0ubuntu1.1
https://launchpad.net/ubuntu/+source/cups/1.5.3-0ubuntu8.4
https://launchpad.net/ubuntu/+source/cups/1.4.3-1ubuntu1.12

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