SB2023040620 - Remote code execution in Artifex Ghostscript

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Main Vulnerability Database SB2023040620

SB2023040620 - Remote code execution in Artifex Ghostscript

Published: April 6, 2023 Updated: May 10, 2024

Security Bulletin ID SB2023040620
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2023-28879)

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 BCPEncode, BCPDecode, TBCPEncode, and TBCPDecode methods in base/sbcp.c. A remote attacker can create a specially crafted document, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

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


2) Input validation error (CVE-ID: CVE-2023-52722)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in psi/zmisc1.c. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the system.


Remediation

Install update from vendor's website.

References