CVE-2020-14410 : What You Need to Know
Learn about CVE-2020-14410, a vulnerability in SDL (Simple DirectMedia Layer) through version 2.0.12, allowing a heap-based buffer over-read via a crafted .BMP file. Find out the impact, affected systems, exploitation, and mitigation steps.
CVE-2020-14410 is a vulnerability in SDL (Simple DirectMedia Layer) through version 2.0.12, involving a heap-based buffer over-read in Blit_3or4_to_3or4__inversed_rgb in video/SDL_blit_N.c when processing a crafted .BMP file.
Understanding CVE-2020-14410
What is CVE-2020-14410?
The vulnerability in SDL through version 2.0.12 allows for a heap-based buffer over-read in specific functions, triggered by a maliciously crafted .BMP file.
The Impact of CVE-2020-14410
This vulnerability could be exploited by an attacker to cause a denial of service or potentially execute arbitrary code on the affected system.
Technical Details of CVE-2020-14410
Vulnerability Description
The issue arises from a heap-based buffer over-read in a specific function within the SDL library when processing a specially crafted .BMP file.
Affected Systems and Versions
- Vendor: n/a
- Product: n/a
- Versions: All versions up to and including 2.0.12 are affected.
Exploitation Mechanism
The vulnerability can be exploited by an attacker through the use of a maliciously crafted .BMP file to trigger the heap-based buffer over-read.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security updates provided by the SDL library.
- Avoid opening or processing untrusted .BMP files.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Implement proper input validation mechanisms to prevent malformed file exploitation.
Patching and Updates
Ensure that the SDL library is regularly updated to the latest version to mitigate the CVE-2020-14410 vulnerability.