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Vulnerability DatabaseCVE-2021-40608

CVE-2021-40608: 
NixOS vulnerability analysis and mitigation

Overview

The vulnerability CVE-2021-40608 affects GPAC 1.0.1, specifically in the gfhintertrack_finalize function. This vulnerability was discovered in 2021 and allows attackers to cause a denial of service via a crafted file in the MP4Box command (NVD, CVE).

Technical details

The vulnerability exists in the gfhintertrackfinalize function within the mediatools/isomhinter.c file at line 956. The issue stems from freeing an uninitialized pointer, where tx3g might not be properly initialized in the gfisomtextgetencodedtx3g function before being freed. The CVSS 3.1 base score is 5.5 (MEDIUM) with vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (GitHub Issue, NVD).

Impact

When exploited, this vulnerability can lead to a denial of service condition in the GPAC application. The impact is primarily on the availability of the system, with no direct effect on confidentiality or integrity (NVD).

Mitigation and workarounds

The vulnerability has been fixed in GPAC version 2.0.0. For Debian systems, the fix is available in version 1.0.1+dfsg1-4+deb11u2 for the bullseye distribution (Debian Security). Users are recommended to upgrade to the latest version to mitigate this vulnerability.

Additional resources

Source: This report was generated using AI

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