CVE-2020-16292 : Vulnerability Insights and Analysis
Learn about CVE-2020-16292, a buffer overflow vulnerability in GhostScript v9.50 allowing remote attackers to cause denial of service via a crafted PDF file. Find mitigation steps here.
A buffer overflow vulnerability in mj_raster_cmd() in contrib/japanese/gdevmjc.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.
Understanding CVE-2020-16292
This CVE involves a buffer overflow vulnerability in GhostScript v9.50 that could be exploited by a remote attacker to trigger a denial of service attack.
What is CVE-2020-16292?
The vulnerability in mj_raster_cmd() in GhostScript v9.50 allows attackers to disrupt services by using a maliciously crafted PDF file.
The Impact of CVE-2020-16292
The exploitation of this vulnerability could lead to a denial of service, potentially disrupting the availability of services relying on the affected GhostScript version.
Technical Details of CVE-2020-16292
This section provides more technical insights into the CVE.
Vulnerability Description
The buffer overflow vulnerability in mj_raster_cmd() in GhostScript v9.50 enables a remote attacker to execute a denial of service attack through a specially crafted PDF file.
Affected Systems and Versions
- Product: Artifex Software GhostScript
- Version: 9.50
Exploitation Mechanism
The vulnerability can be exploited remotely by sending a malicious PDF file to the target system, triggering the buffer overflow and causing a denial of service.
Mitigation and Prevention
Protecting systems from CVE-2020-16292 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update GhostScript to version 9.51, where the vulnerability is fixed.
- Avoid opening PDF files from untrusted or unknown sources.
- Implement network security measures to prevent unauthorized access.
Long-Term Security Practices
- Regularly update software and apply security patches promptly.
- Conduct security assessments and penetration testing to identify and address vulnerabilities.
Patching and Updates
Ensure that all systems running GhostScript are updated to version 9.51 to mitigate the risk of exploitation.