Heap-Based Use-After-Free Vulnerability in libstb - CVE-2022-28042
Summary
CVE-2022-28042: stb_image.h v2.27 was discovered to contain an heap-based use-after-free via the function stbi__jpeg_huff_decode. Affects libstb versions 0.0~git20200713.b42009b+ds-1 – 0.0~git20241109.5c20573+ds-1. No fix is published. How to fix ↓
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Background
libstb is a library used for image decoding, specifically designed to handle various image formats efficiently. It is widely utilized in applications that require image processing capabilities. The library's functionality includes decoding JPEG, PNG, and other image formats, making it a crucial component in many software projects. However, a vulnerability has been identified in version 2.27 of stb_image.h, which could potentially compromise the security of applications relying on this library.
Vulnerability Detail
CVE-2022-28042 is a heap-based use-after-free vulnerability found in the function stbi__jpeg_huff_decode of stb_image.h version 2.27. This vulnerability arises when the library improperly manages memory allocation and deallocation, allowing an attacker to exploit the use of freed memory. The ramifications of this vulnerability can be severe, including arbitrary code execution, data corruption, or application crashes. The CVSS score for this vulnerability is 8.8, indicating a high severity level that necessitates immediate attention.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If immediate patching is not possible, consider temporarily disabling features that utilize the affected library or switching to an alternative image processing library until the vulnerability can be addressed.
Conclusion
CVE-2022-28042 represents a significant security risk for applications utilizing the libstb library due to a heap-based use-after-free vulnerability. Immediate action is recommended to update the library and mitigate potential threats. Users are encouraged to monitor their applications for vulnerabilities using tools like Vulert.
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FAQ
CVE-2022-28042 is a heap-based use-after-free vulnerability in the libstb library that can lead to severe security risks, including arbitrary code execution.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
The CVSS score for CVE-2022-28042 is 8.8, indicating a high severity level.
If you cannot update the library, consider disabling features that rely on libstb or using an alternative library until a fix is applied.
More information about libstb can be found in its official documentation or repository, which details its functionalities and usage.
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