Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2019-20631
CVE-2019-20631:
NixOS vulnerability analysis and mitigation
Overview
An issue was discovered in libgpac.a in GPAC before version 0.8.0, as demonstrated by MP4Box. The vulnerability involves an invalid pointer dereference in the gf_list_count function located in utils/list.c that can cause a denial of service when processing a crafted MP4 file (MITRE CVE).
Technical details
The vulnerability exists in the gf_list_count function within utils/list.c of libgpac.a library. When processing certain malformed MP4 files through MP4Box, the application attempts to access an invalid memory address (0x00047fff8001), leading to a segmentation fault. The issue was discovered through fuzzing testing and can be triggered through the MP4Box -info command (GitHub Issue).
Impact
When exploited, the vulnerability results in a denial of service condition by causing the application to crash when processing specially crafted MP4 files (MITRE CVE).
Mitigation and workarounds
Users should upgrade to GPAC version 0.8.0 or later which contains fixes for this vulnerability (MITRE CVE).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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