DESCRIPTION
An Out-of-Bounds Write issue can be occurred in function opj_mqc_byteout of mqc.c during executing opj_compress. This issue was caused by a malformed BMP file.
CREDIT
This vulnerability was discovered by Ke Liu of Tencent's Xuanwu LAB.
TESTED VERSION
Master version of OpenJPEG (805972f, 2016/09/12)
EXCEPTION LOG
==119535==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60200000eeb5
at pc 0x7f1b2f0154c2 bp 0x7ffec8559cc0 sp 0x7ffec8559cb8
WRITE of size 1 at 0x60200000eeb5 thread T0
#0 0x7f1b2f0154c1 in opj_mqc_byteout openjpeg-master/src/lib/openjp2/mqc.c:221:13
#1 0x7f1b2f014bec in opj_mqc_flush openjpeg-master/src/lib/openjp2/mqc.c:421:2
#2 0x7f1b2f042190 in opj_t1_encode_cblk openjpeg-master/src/lib/openjp2/t1.c:1685:3
#3 0x7f1b2f040929 in opj_t1_encode_cblks openjpeg-master/src/lib/openjp2/t1.c:1539:7
#4 0x7f1b2f06950d in opj_tcd_t1_encode openjpeg-master/src/lib/openjp2/tcd.c:2052:15
#5 0x7f1b2f067b66 in opj_tcd_encode_tile openjpeg-master/src/lib/openjp2/tcd.c:1240:23
#6 0x7f1b2efecc4f in opj_j2k_write_sod openjpeg-master/src/lib/openjp2/j2k.c:4358:15
#7 0x7f1b2efea900 in opj_j2k_write_first_tile_part openjpeg-master/src/lib/openjp2/j2k.c:10659:15
#8 0x7f1b2efc6d65 in opj_j2k_post_write_tile openjpeg-master/src/lib/openjp2/j2k.c:10448:15
#9 0x7f1b2efc52c7 in opj_j2k_encode openjpeg-master/src/lib/openjp2/j2k.c:10199:23
#10 0x7f1b2f00367c in opj_jp2_encode openjpeg-master/src/lib/openjp2/jp2.c:1955:9
#11 0x7f1b2f01b304 in opj_encode openjpeg-master/src/lib/openjp2/openjpeg.c:737:11
#12 0x4edc7d in main openjpeg-master/src/bin/jp2/opj_compress.c:1877:36
#13 0x7f1b2d77682f in __libc_start_main /build/glibc-GKVZIf/glibc-2.23/csu/../csu/libc-start.c:291
#14 0x41a898 in _start (openjpeg-master/bin/opj_compress+0x41a898)
0x60200000eeb5 is located 0 bytes to the right of 5-byte region [0x60200000eeb0,0x60200000eeb5)
allocated by thread T0 here:
#0 0x4ba9c8 in malloc (openjpeg-master/bin/opj_compress+0x4ba9c8)
#1 0x7f1b2f07369c in opj_malloc openjpeg-master/src/lib/openjp2/opj_malloc.c:195:10
#2 0x7f1b2f06ed5f in opj_tcd_code_block_enc_allocate_data openjpeg-master/src/lib/openjp2/tcd.c:1097:36
#3 0x7f1b2f0664b0 in opj_tcd_init_tile openjpeg-master/src/lib/openjp2/tcd.c:1023:14
#4 0x7f1b2f0604e6 in opj_tcd_init_encode_tile openjpeg-master/src/lib/openjp2/tcd.c:1055:9
#5 0x7f1b2efc57d3 in opj_j2k_pre_write_tile openjpeg-master/src/lib/openjp2/j2k.c:10300:15
#6 0x7f1b2efc4d8d in opj_j2k_encode openjpeg-master/src/lib/openjp2/j2k.c:10146:23
#7 0x7f1b2f00367c in opj_jp2_encode openjpeg-master/src/lib/openjp2/jp2.c:1955:9
#8 0x7f1b2f01b304 in opj_encode openjpeg-master/src/lib/openjp2/openjpeg.c:737:11
#9 0x4edc7d in main openjpeg-master/src/bin/jp2/opj_compress.c:1877:36
#10 0x7f1b2d77682f in __libc_start_main /build/glibc-GKVZIf/glibc-2.23/csu/../csu/libc-start.c:291
SUMMARY: AddressSanitizer: heap-buffer-overflow openjpeg-master/src/lib/openjp2/mqc.c:221:13 in opj_mqc_byteout
Shadow bytes around the buggy address:
0x0c047fff9d80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9d90: fa fa fa fa fa fa fa fa fa fa fa fa fa fa 05 fa
0x0c047fff9da0: fa fa 00 01 fa fa 05 fa fa fa 00 01 fa fa 05 fa
0x0c047fff9db0: fa fa 00 01 fa fa 05 fa fa fa 00 01 fa fa 05 fa
0x0c047fff9dc0: fa fa 00 01 fa fa 05 fa fa fa 00 01 fa fa 05 fa
=>0x0c047fff9dd0: fa fa 00 01 fa fa[05]fa fa fa 00 01 fa fa 00 fa
0x0c047fff9de0: fa fa fd fd fa fa fd fd fa fa 00 00 fa fa 04 fa
0x0c047fff9df0: fa fa 00 00 fa fa 00 00 fa fa 00 00 fa fa 00 00
0x0c047fff9e00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e10: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c047fff9e20: 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
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
Left alloca redzone: ca
Right alloca redzone: cb
==119535==ABORTING
Proof of Concept:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/42600.zip
