Debian Long Term Support / LTS Security Information / 2018 / Security Information -- DLA-1426-1 cups

Debian Security Advisory

DLA-1426-1 cups -- LTS security update

Date Reported:

14 Jul 2018

Affected Packages:

cups

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2018-4180, CVE-2018-4181, CVE-2018-6553.

More information:

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 8 Jessie, these problems have been fixed in version 1.7.5-11+deb8u4.

We recommend that you upgrade your cups packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS