SB2022092732 - Ubuntu update for ghostscript

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2022092732

SB2022092732 - Ubuntu update for ghostscript

Published: September 27, 2022

Security Bulletin ID SB2022092732
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Heap-based buffer overflow (CVE-ID: CVE-2020-27792)

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

The vulnerability exists due to a boundary error within the lp8000_print_page() function in gdevlp8k.c. A remote attacker can trick the victim to open a specially crafted PDF file, trigger a 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.


2) NULL pointer dereference (CVE-ID: CVE-2022-2085)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error when processing PDF files. A remote attacker can trick the victim to open a specially crafted PDF file and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References