CVE-2020-23330
NixOS vulnerability analysis and mitigation

Overview

A NULL pointer dereference vulnerability was discovered in Bento4 version 06c39d9. The vulnerability exists in the AP4_Stz2Atom::GetSampleSize component located in /Core/Ap4Stz2Atom.cpp. This security flaw allows attackers to cause a denial of service (DOS) via crafted input (CVE Details, GitHub Issue).

Technical details

The vulnerability occurs in the AP4_Stz2Atom::GetSampleSize function when attempting to read memory from a NULL pointer. The issue manifests as a segmentation fault (SEGV) caused by a READ memory access where the address points to the zero page. This can be triggered by sending a specially crafted file to the mp42aac binary (GitHub Issue).

Impact

When exploited, this vulnerability leads to a denial of service condition by causing the application to crash. The issue affects the mp42aac functionality of Bento4, potentially disrupting media file processing operations (CVE Details).

Additional resources


SourceThis report was generated using AI

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