RHSA-2020:1050 — Security Advisory

An update for cups is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Common UNIX Printing System (CUPS) provides a portable printing layer for Linux, UNIX, and similar operating systems.

Security Fix(es):

• cups: Local privilege escalation to root due to insecure environment variable handling (CVE-2018-4180)

• cups: Manipulation of cupsd.conf by a local attacker resulting in limited reads of arbitrary files as root (CVE-2018-4181)

• cups: Predictable session cookie breaks CSRF protection (CVE-2018-4700)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.