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Vulnerability DatabaseCVE-2022-41847

CVE-2022-41847: 
NixOS vulnerability analysis and mitigation

Overview

A memory leak vulnerability was discovered in Bento4 version 1.6.0-639. The issue exists in the AP4_StdcFileByteStream::Create function located in System/StdC/Ap4StdcFileByteStream.cpp. This vulnerability was assigned CVE-2022-41847 and was disclosed on September 30, 2022 (NVD, GitHub Issue).

Technical details

The vulnerability manifests as a memory leak in the AP4_StdcFileByteStream::Create(AP4_FileByteStream*, char const*, AP4_FileByteStream::Mode, AP4_ByteStream*&) function. When tested with Address Sanitizer (ASAN), the issue shows direct leaks of 48 bytes in object allocations, along with additional indirect memory leaks (GitHub Issue).

Impact

The memory leak can lead to resource exhaustion over time, potentially causing system performance degradation or denial of service conditions. The vulnerability affects applications using the Bento4 library for processing MP4 files (NVD).

Exploitability

The vulnerability can be triggered through the mp42ts binary when processing specially crafted input files. Multiple researchers have independently verified the issue using fuzzing techniques and Address Sanitizer instrumentation (GitHub Issue).

Additional resources

Source: This report was generated using AI

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