CVE-2020-16302 : Vulnerability Insights and Analysis
Learn about CVE-2020-16302, a buffer overflow vulnerability in Artifex Software GhostScript v9.50 allowing privilege escalation. Find mitigation steps and prevention measures.
A buffer overflow vulnerability in jetp3852_print_page() in devices/gdev3852.c of Artifex Software GhostScript v9.50 allows a remote attacker to escalate privileges via a crafted PDF file. This is fixed in v9.51.
Understanding CVE-2020-16302
This CVE involves a buffer overflow vulnerability in GhostScript that could be exploited by a remote attacker to elevate privileges.
What is CVE-2020-16302?
The vulnerability in jetp3852_print_page() in devices/gdev3852.c of GhostScript v9.50 allows an attacker to execute arbitrary code by sending a specially crafted PDF file.
The Impact of CVE-2020-16302
The vulnerability could lead to privilege escalation, enabling an attacker to gain elevated access to a system running the affected GhostScript version.
Technical Details of CVE-2020-16302
This section provides more technical insights into the CVE.
Vulnerability Description
The buffer overflow vulnerability in jetp3852_print_page() in devices/gdev3852.c of GhostScript v9.50 allows remote attackers to escalate privileges through a malicious PDF file.
Affected Systems and Versions
- Product: Artifex Software GhostScript v9.50
- Version: All versions prior to v9.51
Exploitation Mechanism
The vulnerability can be exploited by a remote attacker sending a specifically crafted PDF file to the target system, triggering the buffer overflow and potentially executing malicious code.
Mitigation and Prevention
Protecting systems from CVE-2020-16302 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Update GhostScript to version 9.51 or the latest available release to mitigate the vulnerability.
- Avoid opening PDF files from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update software and apply security patches to prevent known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
Ensure timely patching of software and systems to address security vulnerabilities and protect against potential exploits.