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Date: Wed, 6 Sep 2017 07:32:24 +0000
From: "Agostino Sarubbo" <ago@...too.org>
To: "oss-security@...ts.openwall.com" <oss-security@...ts.openwall.com>
Subject: openjpeg: heap-based buffer overflow in opj_write_bytes_LE (cio.c)

Description:
openjpeg is an open-source JPEG 2000 library.

The complete ASan output of the issue:

# opj_compress -I -cinema4K -n 1 -i $FILE -o null.jp2
==133214==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61100000012b at pc 0x7f221efde81a bp 0x7ffd4c1d9ad0 sp 0x7ffd4c1d9ac8           
WRITE of size 1 at 0x61100000012b thread T0                                                                                                          
    #0 0x7f221efde819 in opj_write_bytes_LE /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/cio.c:67:23               
    #1 0x7f221f0261b8 in opj_j2k_write_sot /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/j2k.c:4237:5               
    #2 0x7f221f0261b8 in opj_j2k_write_all_tile_parts /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/j2k.c:11604     
    #3 0x7f221f0261b8 in opj_j2k_post_write_tile /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/j2k.c:11273          
    #4 0x7f221f0240fd in opj_j2k_encode /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/j2k.c:11014:15                
    #5 0x7f221f06edf8 in opj_encode /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/openjpeg.c:775:20                 
    #6 0x50b9a2 in main /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/bin/jp2/opj_compress.c:1990:36                            
    #7 0x7f221da06680 in __libc_start_main /var/tmp/portage/sys-libs/glibc-2.23-r4/work/glibc-2.23/csu/../csu/libc-start.c:289                       
    #8 0x41bc78 in _start (/usr/bin/opj_compress+0x41bc78)                                                                                           
                                                                                                                                                     
0x61100000012b is located 0 bytes to the right of 235-byte region [0x611000000040,0x61100000012b)                                                    
allocated by thread T0 here:                                                                                                                         
    #0 0x4d1628 in malloc /var/tmp/portage/sys-libs/compiler-rt-sanitizers-4.0.1/work/compiler-rt-4.0.1.src/lib/asan/asan_malloc_linux.cc:66         
    #1 0x7f221f11a8a9 in opj_malloc /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/opj_malloc.c:196:12               
    #2 0x7f221f051260 in opj_j2k_update_rates /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/j2k.c:5156:22
    #3 0x7f221f027f8c in opj_j2k_exec /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/j2k.c:7940:33
    #4 0x7f221f027f8c in opj_j2k_start_compress /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/j2k.c:11089
    #5 0x7f221f059260 in opj_jp2_start_compress /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/jp2.c:2474:12
    #6 0x7f221f06ec9c in opj_start_compress /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/openjpeg.c:758:20
    #7 0x50b96f in main /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/bin/jp2/opj_compress.c:1967:20
    #8 0x7f221da06680 in __libc_start_main /var/tmp/portage/sys-libs/glibc-2.23-r4/work/glibc-2.23/csu/../csu/libc-start.c:289

SUMMARY: AddressSanitizer: heap-buffer-overflow /var/tmp/portage/media-libs/openjpeg-2.2.0/work/openjpeg-2.2.0/src/lib/openjp2/cio.c:67:23 in opj_write_bytes_LE
Shadow bytes around the buggy address:
  0x0c227fff7fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c227fff7fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c227fff7ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c227fff8000: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
  0x0c227fff8010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c227fff8020: 00 00 00 00 00[03]fa fa fa fa fa fa fa fa fa fa
  0x0c227fff8030: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c227fff8040: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c227fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c227fff8060: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c227fff8070: 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
==133214==ABORTING
CINEMA 4K profile activated
Other options specified could be overridden
[WARNING] JPEG 2000 Profile-4 (4k dc profile) requires:
Number of decomposition levels >= 1 &&  Number of decomposition levels forced to 1 (rather than 2)
[WARNING] JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:
Maximum 1302083 compressed bytes @ 24fps
As no rate has been given, this limit will be used.
[WARNING] JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:
Maximum 1041666 compressed bytes @ 24fps
As no rate has been given, this limit will be used.
[WARNING] JPEG 2000 Profile-3 (2k dc profile) requires:
Precision of each component shall be 12 bits unsigned-> At least component 0 of input image (8 bits, unsigned) is not compliant
-> Non-profile-3 codestream will be generated
[INFO] tile number 1 / 1

Affected version:
2.2.0

Fixed version:
N/A

Commit fix:
https://github.com/uclouvain/openjpeg/commit/4241ae6fbbf1de9658764a80944dc8108f2b4154

Credit:
This bug was discovered by Agostino Sarubbo of Gentoo.

CVE:
CVE-2017-14152

Reproducer:
https://github.com/asarubbo/poc/blob/master/00317-openjpeg-heapoverflow-opj_write_bytes_LE

Timeline:
2017-08-15: bug discovered and reported to upstream
2017-08-15: upstream released a fix
2017-08-16: blog post about the issue
2017-09-05: CVE assigned

Note:
This bug was found with American Fuzzy Lop.
This bug was identified with bare metal servers donated by Packet. This work is also supported by the Core Infrastructure Initiative.

Permalink:
https://blogs.gentoo.org/ago/2017/08/16/openjpeg-heap-based-buffer-overflow-in-opj_write_bytes_le-cio-c/

--
Agostino Sarubbo
Gentoo Linux Developer


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