CVE-2017-7207 : Vulnerability Insights and Analysis
Learn about CVE-2017-7207, a vulnerability in Ghostscript 9.20 software that allows attackers to trigger a denial of service condition by exploiting a NULL pointer dereference through a crafted PostScript document. Find out how to mitigate this issue.
A vulnerability in the mem_get_bits_rectangle function within Artifex Software, Inc.'s Ghostscript 9.20 software allows attackers to trigger a denial of service condition by exploiting a NULL pointer dereference through a maliciously crafted PostScript document.
Understanding CVE-2017-7207
This CVE entry describes a vulnerability in Ghostscript software that could lead to a denial of service attack.
What is CVE-2017-7207?
The vulnerability in Ghostscript 9.20 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted PostScript document.
The Impact of CVE-2017-7207
The vulnerability can be exploited by attackers to trigger a denial of service condition on systems running the affected Ghostscript software.
Technical Details of CVE-2017-7207
This section provides more technical insights into the vulnerability.
Vulnerability Description
The mem_get_bits_rectangle function in Ghostscript 9.20 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted PostScript document.
Affected Systems and Versions
- Product: Ghostscript 9.20
- Vendor: Artifex Software, Inc.
- Version: 9.20
Exploitation Mechanism
Attackers can exploit this vulnerability by using a maliciously crafted PostScript document to trigger a NULL pointer dereference, leading to a denial of service.
Mitigation and Prevention
To address and prevent the exploitation of CVE-2017-7207, follow these steps:
Immediate Steps to Take
- Apply security patches provided by the vendor.
- Avoid opening or processing untrusted PostScript documents.
Long-Term Security Practices
- Regularly update and patch software to the latest versions.
- Implement network security measures to detect and block malicious activities.
- Conduct security training for users to recognize and report suspicious documents.
Patching and Updates
Ensure that you regularly check for security updates and patches from Artifex Software, Inc. for Ghostscript to mitigate the vulnerability.