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