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Vulnerability DatabaseCVE-2023-37188

CVE-2023-37188: 
Homebrew vulnerability analysis and mitigation

Overview

C-blosc2 before version 2.9.3 was discovered to contain a NULL pointer dereference vulnerability via the function zfp_rate_decompress at zfp/blosc2-zfp.c. The vulnerability was assigned CVE-2023-37188 and has a CVSS v3.1 base score of 7.5 (HIGH) (NVD).

Technical details

The vulnerability is classified as a NULL Pointer Dereference (CWE-476) issue. The bug occurs in the zfp_rate_decompress function within the zfp/blosc2-zfp.c file, where a pointer to a non-existent chunk is dereferenced. The issue was discovered through fuzzing tests and affects the decompression functionality of the software (GitHub Issue).

Impact

This vulnerability could allow an attacker to cause a denial of service condition by triggering a crash through NULL pointer dereference. The CVSS score of 7.5 indicates a high severity impact, with the potential to affect system availability (NVD).

Mitigation and workarounds

The vulnerability has been patched in version 2.9.3 of c-blosc2. The fix includes adding NULL pointer checks before dereferencing the chunk pointer (GitHub Patch). Users are advised to upgrade to version 2.9.3 or later to address this security issue.

Additional resources

Source: This report was generated using AI

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