SB2023090919 - openEuler 20.03 LTS SP1 update for ghostscript
Published: September 9, 2023 Updated: June 7, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 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) OS Command Injection (CVE-ID: CVE-2023-36664)
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation for pipe devices (with the %pipe% prefix or the | pipe character prefix). A remote attacker can trick the victim to open a specially crafted PDF file and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) Buffer overflow (CVE-ID: CVE-2023-38559)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the devn_pcx_write_rle() function in base/gdevdevn.c. A remote attacker can create a specially crafted PDF document, pass it to the affected application, trigger memory corruption and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.