CVE-2019-7573 : Security Advisory and Response

CVE-2019-7573 is a vulnerability found in the audio/SDL_wave.c file of SDL (Simple DirectMedia Layer) versions 1.2.15 and 2.x through 2.0.9. The issue involves a heap-based buffer over-read within the InitMS_ADPCM function, specifically inside the wNumCoef loop.

Understanding CVE-2019-7573

This vulnerability poses a risk due to the potential for unauthorized access and manipulation of data.

What is CVE-2019-7573?

The vulnerability in SDL versions 1.2.15 and 2.x through 2.0.9 allows for a heap-based buffer over-read, specifically within the InitMS_ADPCM function.

The Impact of CVE-2019-7573

The vulnerability could be exploited by attackers to read sensitive information from the heap, potentially leading to a compromise of the affected system.

Technical Details of CVE-2019-7573

SDL versions 1.2.15 and 2.x through 2.0.9 are affected by this heap-based buffer over-read vulnerability.

Vulnerability Description

The vulnerability occurs within the InitMS_ADPCM function, specifically inside the wNumCoef loop in the audio/SDL_wave.c file.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: SDL 1.2.15 and SDL 2.x through 2.0.9

Exploitation Mechanism

Attackers can exploit this vulnerability to perform a heap-based buffer over-read, potentially leading to unauthorized access to sensitive data.

Mitigation and Prevention

To address CVE-2019-7573, consider the following mitigation strategies:

Immediate Steps to Take

Apply security updates provided by the SDL project.
Monitor for any unusual activities on the system.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Conduct regular security assessments and audits of the system.
Educate users and administrators about secure coding practices and the importance of timely updates.

Patching and Updates

Update SDL to the latest patched versions to mitigate the vulnerability and enhance system security.