Public bug reported:
=================================================================
==31092==ERROR: AddressSanitizer: heap-buffer-overflow on address
0x611000009fc3 at pc 0x00000042709b bp 0x7ffdb81fee70 sp 0x7ffdb81fee60
READ of size 1 at 0x611000009fc3 thread T0
#0 0x42709a in process_DQT
/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jpgqguess.c:111
#1 0x41ca02 in ReadJpegSections
/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jpgfile.c:223
#2 0x41f62d in ReadJpegSections
/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jpgfile.c:126
#3 0x41f62d in ReadJpegFile
/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jpgfile.c:379
#4 0x411987 in ProcessFile
/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jhead.c:905
#5 0x4036ca in main
/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jhead.c:1756
#6 0x7f2d9edc983f in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x2083f)
#7 0x40d498 in _start
(/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jhead+0x40d498)
0x611000009fc3 is located 0 bytes to the right of 195-byte region
[0x611000009f00,0x611000009fc3)
allocated by thread T0 here:
#0 0x7f2da0221602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
#1 0x41beaa in ReadJpegSections
/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jpgfile.c:173
#2 0x41f62d in ReadJpegSections
/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jpgfile.c:126
#3 0x41f62d in ReadJpegFile
/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jpgfile.c:379
#4 0x411987 in ProcessFile
/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jhead.c:905
#5 0x4036ca in main
/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jhead.c:1756
#6 0x7f2d9edc983f in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x2083f)
SUMMARY: AddressSanitizer: heap-buffer-overflow
/home/mondaylord/Documents/SMSE-AFL/bin/jhead-3.04/jpgqguess.c:111 process_DQT
Shadow bytes around the buggy address:
0x0c227fff93a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c227fff93b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c227fff93c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c227fff93d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c227fff93e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c227fff93f0: 00 00 00 00 00 00 00 00[03]fa fa fa fa fa fa fa
0x0c227fff9400: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c227fff9410: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c227fff9420: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c227fff9430: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c227fff9440: 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
==31092==ABORTING
** Affects: jhead (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1890227
Title:
heap buffer overflow crashes on jhead
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