SB2020040121 - Red Hat Enterprise Linux 7 update for cups



SB2020040121 - Red Hat Enterprise Linux 7 update for cups

Published: April 1, 2020

Security Bulletin ID SB2020040121
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Privilege escalation (CVE-ID: CVE-2018-4180)

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to unspecified flaw. A local attacker with access to cupsctl can set an environment variable and gain elevated privileges.


2) Information disclosure (CVE-ID: CVE-2018-4181)

The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to unspecified flaw. A local attacker can manipulate cupsd.conf and read arbitrary files with root privileges.


3) Cross-site request forgery (CVE-ID: CVE-2018-4700)

The vulnerability allows a remote attacker to perform CSRF attack.

The weakness exists in the CUPS printing server due to insufficient CSRF protections. A remote attacker can create a specially crafted HTML page or URL, trick the victim into visiting it, gain access to the system and perform arbitrary actions.

Remediation

Install update from vendor's website.