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Vulnerability DatabaseCVE-2022-47093

CVE-2022-47093: 
NixOS vulnerability analysis and mitigation

Overview

GPAC MP4box 2.1-DEV-rev574-g9d5bb184b was discovered to contain a heap use-after-free vulnerability in the m2tsdmxdeclarepid function located at filters/dmx_m2ts.c:470. The vulnerability was reported on December 11, 2022 (GitHub Issue).

Technical details

The vulnerability occurs in the m2tsdmxdeclarepid function when processing MPEG-2 TS streams. The issue manifests as a heap use-after-free condition where memory is accessed after being freed, specifically at address 0x607000004548. The bug is triggered during the processing of Program Map Table (PMT) sections in MPEG-2 transport streams (GitHub Issue).

Impact

The heap use-after-free vulnerability could potentially lead to program crashes, causing denial of service (DoS) conditions. In some cases, such vulnerabilities can also lead to arbitrary code execution, though this has not been explicitly confirmed for this specific issue (GitHub Issue).

Mitigation and workarounds

The vulnerability affects GPAC MP4box version 2.1-DEV-rev574-g9d5bb184b. Users should update to a patched version of the software when available. No specific workarounds have been publicly documented (GitHub Issue).

Additional resources

Source: This report was generated using AI

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