ELA-15-1 cups security update

several vulnerabilities

2018-07-14
Packagecups
Version1.5.3-5+deb7u9
Related CVEs CVE-2018-4180 CVE-2018-4181 CVE-2018-6553

Several vulnerabilities were discovered in CUPS, the Common UNIX Printing System. These issues have been identified with the following CVE ids:

CVE-2018-4180

 Dan Bastone of Gotham Digital Science discovered that a local
 attacker with access to cupsctl could escalate privileges by setting
 an environment variable.

CVE-2018-4181

 Eric Rafaloff and John Dunlap of Gotham Digital Science discovered
 that a local attacker can perform limited reads of arbitrary files
 as root by manipulating cupsd.conf.

CVE-2018-6553

Dan Bastone of Gotham Digital Science discovered that an attacker
can bypass the AppArmor cupsd sandbox by invoking the dnssd backend
using an alternate name that has been hard linked to dnssd.

For Debian 7 Wheezy, these problems have been fixed in version 1.5.3-5+deb7u9.

We recommend that you upgrade your cups packages.

Further information about Extended LTS security advisories can be found at: https://deb.freexian.com/extended-lts/