System info:
Ubuntu 16.04.6 LTS, X64, gcc 5.4.0, gpac (latest master c4f8bc6 and latest V1.0.1 d8538e8)
I think it is probably due to an imcomplete fix of #1483
Compile Command:
$ CC="gcc -fsanitize=address -g" CXX="g++ -fsanitize=address -g" ./configure --static-mp4box --extra-ldflags="-ldl -g"
$ make
Run Command:
$ MP4Box -hint $gp_rtp_builder_do_avc-hepo -out /dev/null
POC file:
https://github.com/Clingto/POC/blob/master/gpac-MP4Box/gpac-c4f8bc6e_poc/gp_rtp_builder_do_avc-hepo
ASAN info:
==39148==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60300000dca9 at pc 0x000000fe1693 bp 0x7ffc75309fc0 sp 0x7ffc75309fb0
READ of size 1 at 0x60300000dca9 thread T0
#0 0xfe1692 in gp_rtp_builder_do_avc ietf/rtp_pck_mpeg4.c:436
#1 0x92b813 in gf_hinter_track_process media_tools/isom_hinter.c:796
#2 0x418d5d in HintFile /opt/data/yyp/fuzzsequence/test/0-day/SRC_asan/applications/mp4box/main.c:1446
#3 0x42bdc7 in mp4boxMain /opt/data/yyp/fuzzsequence/test/0-day/SRC_asan/applications/mp4box/main.c:6641
#4 0x7fac0705783f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2083f)
#5 0x417638 in _start (/opt/data/yyp/fuzzsequence/test/0-day/SRC_asan/build/bin/MP4Box+0x417638)
0x60300000dca9 is located 0 bytes to the right of 25-byte region [0x60300000dc90,0x60300000dca9)
allocated by thread T0 here:
#0 0x7fac07fff602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
#1 0x7b69e5 in Media_GetSample isomedia/media.c:573
#2 0x7602dc in gf_isom_get_sample_ex isomedia/isom_read.c:1808
#3 0x92b36d in gf_hinter_track_process media_tools/isom_hinter.c:721
#4 0x418d5d in HintFile /opt/data/yyp/fuzzsequence/test/0-day/SRC_asan/applications/mp4box/main.c:1446
#5 0x42bdc7 in mp4boxMain /opt/data/yyp/fuzzsequence/test/0-day/SRC_asan/applications/mp4box/main.c:6641
#6 0x7fac0705783f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2083f)
SUMMARY: AddressSanitizer: heap-buffer-overflow ietf/rtp_pck_mpeg4.c:436 gp_rtp_builder_do_avc
Shadow bytes around the buggy address:
0x0c067fff9b40: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9b50: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9b60: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9b70: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff9b80: fa fa fa fa fa fa fa fa fa fa fa fa 00 00 04 fa
=>0x0c067fff9b90: fa fa 00 00 00[01]fa fa fd fd fd fa fa fa fd fd
0x0c067fff9ba0: fd fa fa fa fd fd fd fa fa fa fd fd fd fa fa fa
0x0c067fff9bb0: fd fd fd fa fa fa fd fd fd fa fa fa fd fd fd fa
0x0c067fff9bc0: fa fa fd fd fd fa fa fa fd fd fd fa fa fa fd fd
0x0c067fff9bd0: fd fa fa fa fd fd fd fa fa fa fd fd fd fa fa fa
0x0c067fff9be0: fd fd fd fa fa fa fd fd fd fa fa fa fd fd fd fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
==39148==ABORTINGAddition: This bug was found with our fuzzer, which is based on AFL. Our fuzzer is developed by Yuanpingyu([email protected]) 、Xiangkun Jia([email protected]) 、Marsman1996([email protected]) and Yanhao.
System info:
Ubuntu 16.04.6 LTS, X64, gcc 5.4.0, gpac (latest master c4f8bc6 and latest V1.0.1 d8538e8)
I think it is probably due to an imcomplete fix of #1483
Compile Command:
Run Command:
POC file:
https://github.com/Clingto/POC/blob/master/gpac-MP4Box/gpac-c4f8bc6e_poc/gp_rtp_builder_do_avc-hepo
ASAN info:
Addition: This bug was found with our fuzzer, which is based on AFL. Our fuzzer is developed by Yuanpingyu([email protected]) 、Xiangkun Jia([email protected]) 、Marsman1996([email protected]) and Yanhao.