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POC Description:
heap-buffer-overflow in function MergeTrack;
for (i=0; i<saiz->sample_count; i++) {
GF_CENCSampleAuxInfo*sai;
constu8*key_info=NULL;
u32key_info_size, samp_num;
u64cur_position;
if (nb_saio!=1)
offset=saio->offsets[i] +moof_offset; //seems like i does not match to the saio->offset's size
MP4Box - GPAC version 2.1-DEV-rev257-g7360c7ed9-master
Reproduce:
$ ./configure --enable-sanitizer
$ make
$ ./MP4Box -xmt poc
ASAN report:
==23129==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6030000015e8 at pc 0x7f209ff6b4b2 bp 0x7ffc3965a7e0 sp 0x7ffc3965a7d0
READ of size 8 at 0x6030000015e8 thread T0
#0 0x7f209ff6b4b1 in MergeTrack isomedia/track.c:1090
#1 0x7f209fe562d2 in MergeFragment isomedia/isom_intern.c:92
#2 0x7f209fe59527 in gf_isom_parse_movie_boxes_internal isomedia/isom_intern.c:714
#3 0x7f209fe5dd9b in gf_isom_parse_movie_boxes isomedia/isom_intern.c:860
#4 0x7f209fe5dd9b in gf_isom_open_file isomedia/isom_intern.c:980
#5 0x55b116848c74 in mp4box_main /home//out/gpac/applications/mp4box/mp4box.c:6181
#6 0x7f209d8a6c86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
#7 0x55b116829669 in _start (/home//out/gpac/bin/gcc/MP4Box+0x84669)
0x6030000015e8 is located 0 bytes to the right of 24-byte region [0x6030000015d0,0x6030000015e8)
allocated by thread T0 here:
#0 0x7f20a27feb40 in __interceptor_malloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xdeb40)
#1 0x7f209fdd52f3 in saio_box_read isomedia/box_code_base.c:10378
#2 0x7f209fe30149 in gf_isom_box_read isomedia/box_funcs.c:1860
#3 0x7f209fe30149 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
#4 0x7f209fe35d0a in gf_isom_box_array_read isomedia/box_funcs.c:1753
#5 0x7f209fdbca0e in traf_box_read isomedia/box_code_base.c:6342
#6 0x7f209fe30149 in gf_isom_box_read isomedia/box_funcs.c:1860
#7 0x7f209fe30149 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
#8 0x7f209fe35d0a in gf_isom_box_array_read isomedia/box_funcs.c:1753
#9 0x7f209fe31ac7 in gf_isom_box_read isomedia/box_funcs.c:1860
#10 0x7f209fe31ac7 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
#11 0x7f209fe3272c in gf_isom_parse_root_box isomedia/box_funcs.c:38
#12 0x7f209fe57f34 in gf_isom_parse_movie_boxes_internal isomedia/isom_intern.c:373
#13 0x7f209fe5dd9b in gf_isom_parse_movie_boxes isomedia/isom_intern.c:860
#14 0x7f209fe5dd9b in gf_isom_open_file isomedia/isom_intern.c:980
#15 0x55b116848c74 in mp4box_main /home//out/gpac/applications/mp4box/mp4box.c:6181
#16 0x7f209d8a6c86 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
SUMMARY: AddressSanitizer: heap-buffer-overflow isomedia/track.c:1090 in MergeTrack
Shadow bytes around the buggy address:
0x0c067fff8260: 00 00 00 fa fa fa 00 00 00 fa fa fa 00 00 00 02
0x0c067fff8270: fa fa 00 00 00 fa fa fa fd fd fd fa fa fa fd fd
0x0c067fff8280: fd fd fa fa fd fd fd fa fa fa 00 00 00 fa fa fa
0x0c067fff8290: 00 00 04 fa fa fa fd fd fd fd fa fa 00 00 00 00
0x0c067fff82a0: fa fa 00 00 00 03 fa fa 00 00 00 00 fa fa 00 00
=>0x0c067fff82b0: 00 00 fa fa 00 00 04 fa fa fa 00 00 00[fa]fa fa
0x0c067fff82c0: 00 00 00 00 fa fa 00 00 00 fa fa fa 00 00 00 00
0x0c067fff82d0: fa fa 00 00 00 fa fa fa 00 00 00 00 fa fa 00 00
0x0c067fff82e0: 00 fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff82f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c067fff8300: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 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
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
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
Left alloca redzone: ca
Right alloca redzone: cb
==23129==ABORTING
The text was updated successfully, but these errors were encountered:
POC
Description:
heap-buffer-overflow in function MergeTrack;
when I use gdb:
Version
Reproduce:
ASAN report:
The text was updated successfully, but these errors were encountered: