Use-of-uninitialized-value in grok: N_SSE4::vscheduler<DecompressDcShiftIrrev>
Summary
OSV-2022-295: Use-of-uninitialized-value in unsigned long grk::N_SSE4::vscheduler. Affects grok versions >= 746b605d5502e304a5aaafe61bf7807ee303f3ca. No fix is published. How to fix ↓
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Background
Grok is an open-source image compression library that provides functionality for encoding and decoding images. It is widely used in various applications to optimize image storage and transmission. The vulnerability affects the grok package and specifically the N_SSE4::vscheduler<DecompressDcShiftIrrev> function.
Vulnerability Detail
The vulnerability, identified as OSV-2022-295, is categorized as a Use-of-uninitialized-value issue. It was reported through the OSS-Fuzz project and can lead to crashes. The vulnerable code is present in the grk::N_SSE4::vschedulergrk::N_SSE4::DecompressDcShiftIrrev function. The uninitialized value can cause unexpected behavior and potentially be exploited by attackers. The issue was introduced in commit 746b605d5502e304a5aaafe61bf7807ee303f3ca of the grok repository.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can avoid triggering the vulnerable code path by refraining from using the specific functionality affected by the issue. However, this may limit the full capabilities of the grok library. It is strongly advised to apply the official fix by updating to the latest patched version.
Conclusion
The use-of-uninitialized-value vulnerability in grok's N_SSE4::vscheduler<DecompressDcShiftIrrev> function can lead to crashes and potential exploitation. Users are advised to update their grok installation to the latest patched version to mitigate the vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Grok is an open-source image compression library used for encoding and decoding images in various applications.
The vulnerability can lead to crashes and potentially be exploited by attackers.
The vulnerability was reported through the OSS-Fuzz project, which performs continuous fuzz testing on open-source software.
Yes, the maintainers of grok have released a fix in a subsequent version. Users should update to the latest patched version.
A temporary workaround is to avoid using the specific functionality affected by the vulnerability. However, it is recommended to apply the official fix by updating to the latest patched version.
References
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