Ubuntu Security Notice 2629-1 - It was discovered that CUPS incorrectly handled reference counting when handling localized strings. A remote attacker could use this issue to escalate permissions, upload a replacement CUPS configuration file, and execute arbitrary code. It was discovered that the CUPS templating engine contained a cross-site scripting issue. A remote attacker could use this issue to bypass default configuration settings. Various other issues were also addressed.
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Ubuntu Security Notice USN-2629-1
June 10, 2015
cups vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.04
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary:
Several security issues were fixed in CUPS.
Software Description:
- cups: Common UNIX Printing System(tm)
Details:
It was discovered that CUPS incorrectly handled reference counting when
handling localized strings. A remote attacker could use this issue to
escalate permissions, upload a replacement CUPS configuration file, and
execute arbitrary code. (CVE-2015-1158)
It was discovered that the CUPS templating engine contained a cross-site
scripting issue. A remote attacker could use this issue to bypass default
configuration settings. (CVE-2015-1159)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 15.04:
cups 2.0.2-1ubuntu3.1
Ubuntu 14.10:
cups 1.7.5-3ubuntu3.2
Ubuntu 14.04 LTS:
cups 1.7.2-0ubuntu1.6
Ubuntu 12.04 LTS:
cups 1.5.3-0ubuntu8.7
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2629-1
CVE-2015-1158, CVE-2015-1159
Package Information:
https://launchpad.net/ubuntu/+source/cups/2.0.2-1ubuntu3.1
https://launchpad.net/ubuntu/+source/cups/1.7.5-3ubuntu3.2
https://launchpad.net/ubuntu/+source/cups/1.7.2-0ubuntu1.6
https://launchpad.net/ubuntu/+source/cups/1.5.3-0ubuntu8.7