CVE-2018-7637 : Vulnerability Insights and Analysis
Discover the impact of CVE-2018-7637, a heap-based buffer over-read vulnerability in CImg v.220. Learn about affected systems, exploitation, and mitigation steps.
CVE-2018-7637 was published on March 2, 2018, by MITRE. It involves a heap-based buffer over-read vulnerability in CImg v.220, specifically in the load_bmp function in CImg.h. This vulnerability occurs when a specially crafted bmp image is loaded, affecting the '16 colors' scenario, also known as case 4.
Understanding CVE-2018-7637
This section provides insights into the nature and impact of the CVE-2018-7637 vulnerability.
What is CVE-2018-7637?
CVE-2018-7637 is a heap-based buffer over-read vulnerability in CImg v.220, triggered when loading a maliciously crafted bmp image, distinct from CVE-2018-7588.
The Impact of CVE-2018-7637
The vulnerability allows attackers to exploit the '16 colors' situation, potentially leading to information disclosure or denial of service.
Technical Details of CVE-2018-7637
Explore the technical aspects of the CVE-2018-7637 vulnerability.
Vulnerability Description
The issue arises in the load_bmp function in CImg.h, enabling a heap-based buffer over-read when processing a specially crafted bmp image.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Versions: N/A
Exploitation Mechanism
The vulnerability is exploited by loading a malicious bmp image, specifically in the '16 colors' scenario (case 4).
Mitigation and Prevention
Learn how to mitigate and prevent the CVE-2018-7637 vulnerability.
Immediate Steps to Take
- Apply security updates promptly to address the vulnerability.
- Avoid opening bmp images from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update software and libraries to prevent known vulnerabilities.
- Implement network security measures to detect and block malicious activities.
- Conduct security training to educate users on identifying and reporting suspicious activities.
- Employ intrusion detection and prevention systems to monitor and mitigate potential threats.
Patching and Updates
Ensure that CImg software is updated to the latest version to patch the vulnerability and enhance system security.