CVE-2019-15058 : Security Advisory and Response

The latest version of stb_image.h (also known as the stb image loader) contains a vulnerability in the stbi__tga_load function, leading to a heap-based buffer over-read, potentially resulting in sensitive information disclosure or denial of service.

Understanding CVE-2019-15058

This CVE entry describes a specific vulnerability in the stb_image.h library.

What is CVE-2019-15058?

stb_image.h (also known as the stb image loader) version 2.23 is affected by a heap-based buffer over-read in the stbi__tga_load function, which can lead to information disclosure or denial of service.

The Impact of CVE-2019-15058

The vulnerability can allow attackers to read beyond the allocated buffer, potentially exposing sensitive data or causing a denial of service.

Technical Details of CVE-2019-15058

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in stb_image.h version 2.23 lies in the stbi__tga_load function, resulting in a heap-based buffer over-read.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by manipulating the input to the stbi__tga_load function, causing it to read beyond the allocated buffer.

Mitigation and Prevention

Protecting systems from CVE-2019-15058 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update to a patched version of stb_image.h to mitigate the vulnerability.
Monitor for any unusual activities that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software libraries and dependencies to prevent known vulnerabilities.
Implement secure coding practices to reduce the likelihood of buffer over-read vulnerabilities.

Patching and Updates

Ensure that all systems using stb_image.h are updated to a version that addresses the heap-based buffer over-read vulnerability.