CVE-2021-33363
NixOS vulnerability analysis and mitigation

Overview

Memory leak vulnerability (CVE-2021-33363) was discovered in the infeboxread function in MP4Box component of GPAC 1.0.1. The vulnerability was disclosed in September 2021 and affects the GPAC multimedia framework, specifically version 1.0.1 (NVD, MITRE).

Technical details

The vulnerability is classified as a memory leak issue in the infeboxread function, which allows attackers to read memory through a crafted file. The CVSS v3.1 base score is 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. The vulnerability is categorized under CWE-401 (Missing Release of Memory after Effective Lifetime) (NVD).

Impact

The vulnerability allows attackers to read memory via a crafted file, potentially leading to information disclosure. The CVSS scoring indicates high confidentiality impact, though integrity and availability are not affected (NVD).

Mitigation and workarounds

A patch has been released to address this vulnerability. For Debian systems, the issue has been fixed in version 1.0.1+dfsg1-4+deb11u2. Users are recommended to upgrade their GPAC packages to the patched version (Debian Advisory, GPAC Patch).

Additional resources


SourceThis report was generated using AI

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