SB2020042819 - Ubuntu update for CUPS



SB2020042819 - Ubuntu update for CUPS

Published: April 28, 2020

Security Bulletin ID SB2020042819
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2019-2228)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the ippSetValuetag function when processing language value. A local user can trigger an out-of-bounds read error and read contents of memory on the system.


2) Heap-based buffer overflow (CVE-ID: CVE-2020-3898)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing files within the ppdFindOption() function in cups. A remote attacker can send specially crafted data to the daemon, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.