Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2023-41000
CVE-2023-41000:
NixOS vulnerability analysis and mitigation
Overview
GPAC through version 2.2.1 contains a use-after-free vulnerability in the function gfbifsflushcommandlist located in bifs/memory_decoder.c. The vulnerability was discovered and reported on August 8, 2023 (GitHub Issue).
Technical details
The vulnerability manifests as a null pointer dereference in the BSReadByte function, which is called through a chain of functions including gfbsreadbit, gfbsreadint, BMParseCommand, and ultimately gfbifsflushcommandlist. The issue occurs when attempting to read memory at address 0x000000000000, causing a segmentation fault. The vulnerability was confirmed using AddressSanitizer on Ubuntu 22.04.2 LTS with GPAC version 2.2.1 (GitHub Issue).
Impact
When exploited, this vulnerability can lead to a denial of service condition through application crash. The segmentation fault occurs during memory access operations, which can interrupt normal program execution (NVD).
Mitigation and workarounds
Users should upgrade to a version newer than GPAC 2.2.1 once a patch is available. No specific workarounds have been publicly documented (NVD).
Additional resources
Source: This report was generated using AI
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