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Vulnerability DatabaseCVE-2020-19750
CVE-2020-19750:
NixOS vulnerability analysis and mitigation
Overview
An issue was discovered in gpac 0.8.0 where the strdup function in box_code_base.c contains a heap-based buffer over-read vulnerability. The vulnerability was disclosed and tracked as CVE-2020-19750 (NVD, Debian Tracker).
Technical details
The vulnerability exists in the txtc_Read function within box_code_base.c at line 8637. The issue occurs when the strdup function is called on a string that is full without a null terminator, leading to a heap-based buffer over-read condition. The vulnerability has been assigned a CVSS v3.1 Base Score of 7.5 HIGH with vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (NVD).
Impact
The vulnerability can result in reading beyond the bounds of allocated memory, which may lead to exposure of sensitive information or potentially cause a system crash. This type of buffer over-read vulnerability can compromise system stability and potentially leak memory contents (CWE).
Mitigation and workarounds
The issue has been fixed in subsequent versions of gpac. For Debian systems, the fix is available in version 1.0.1+dfsg1-4+deb11u3 for the bullseye release (Debian Tracker).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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