buffer overflow in function gf_hevc_read_vps_bs_internal of media_tools/av_parsers.c:8039

[xidoo123]

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Description

buffer overflow in function gf_hevc_read_vps_bs_internal of media_tools/av_parsers.c:8039

Version info

latest version atm

MP4Box - GPAC version 2.1-DEV-rev644-g5c4df2a67-master
(c) 2000-2022 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io

Please cite our work in your research:
	GPAC Filters: https://doi.org/10.1145/3339825.3394929
	GPAC: https://doi.org/10.1145/1291233.1291452

GPAC Configuration: --enable-sanitizer
Features: GPAC_CONFIG_LINUX GPAC_64_BITS GPAC_HAS_IPV6 GPAC_HAS_SSL GPAC_HAS_SOCK_UN GPAC_MINIMAL_ODF GPAC_HAS_QJS GPAC_HAS_LINUX_DVB  GPAC_DISABLE_3D

Reproduce

compile and run

./configure --enable-sanitizer
make
./MP4Box import -cat poc_bof10.mp4

Crash reported by sanitizer

[Core] exp-golomb read failed, not enough bits in bitstream !
[HEVC] Error parsing NAL unit type 33
[HEVC] Error parsing Sequence Param Set
[HEVC] Error parsing NAL unit type 32
[HEVC] 8 layers in VPS but only 4 supported in GPAC
[HEVC] Error parsing NAL unit type 32
[HEVC] Error parsing Video Param Set
[HEVC] Error parsing NAL unit type 33
Track Importing HEVC - Width 1 Height 6 FPS 488447261/488447261
[HEVC] Error parsing NAL unit type 390)
[HEVC] SEI user message type 249 size error (109 but 15 remain), skipping SEI message
media_tools/av_parsers.c:8039:32: runtime error: index 4 out of bounds for type 'u8 [4]'

POC

poc_bof10.zip

Impact

Potentially causing DoS and RCE

Credit

Xdchase