Discover the impact of CVE-2019-12216, a heap-based buffer overflow vulnerability in libSDL2.a when used with SDL2_image. Learn about affected versions and mitigation steps.
A vulnerability was found in the library libSDL2.a, which is a part of Simple DirectMedia Layer (SDL) version 2.0.9, when utilized alongside libSDL2_image.a in SDL2_image version 2.0.4. Specifically, there exists an overrun of a heap-based buffer in the function IMG_LoadPCX_RW located at IMG_pcx.c, within SDL2_image.
Understanding CVE-2019-12216
This CVE-2019-12216 article provides insights into a vulnerability affecting libSDL2.a in SDL version 2.0.9 when used with libSDL2_image.a in SDL2_image version 2.0.4.
What is CVE-2019-12216?
CVE-2019-12216 is a heap-based buffer overflow vulnerability in the function IMG_LoadPCX_RW within the SDL2_image component of Simple DirectMedia Layer (SDL).
The Impact of CVE-2019-12216
The vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the heap-based buffer overflow in SDL2_image.
Technical Details of CVE-2019-12216
This section delves into the technical aspects of the CVE-2019-12216 vulnerability.
Vulnerability Description
The issue involves a heap-based buffer overflow in the function IMG_LoadPCX_RW within the SDL2_image component of SDL.
Affected Systems and Versions
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious PCX file to trigger the buffer overflow in the IMG_LoadPCX_RW function.
Mitigation and Prevention
To address CVE-2019-12216, follow these mitigation strategies:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates