out-of-bounds read in coders/wpg.c:342:19
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
imagemagick (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
This bug was found while fuzzing ImageMagick with afl-fuzz
Tested on ImageMagick git commit %s
Command: magick id:000338,
=======
==1020==ERROR: AddressSanitizer: heap-buffer-
READ of size 1 at 0xb5e108eb thread T0
#0 0x889da34 in InsertRow /home/user/
#1 0x8886e51 in ReadWPGImage /home/user/
#2 0x8a8ad6a in ReadImage /home/user/
#3 0x8a92bdf in ReadImages /home/user/
#4 0x9375c09 in CLINoImageOperator /home/user/
#5 0x937e0f1 in CLIOption /home/user/
#6 0x910ae9d in ProcessCommandO
#7 0x910e215 in MagickImageCommand /home/user/
#8 0x91126f9 in MagickCommandGe
#9 0x80de16d in MagickMain /home/user/
#10 0x80de16d in main /home/user/
#11 0xb7525a82 in __libc_start_main /build/
#12 0x80ddf94 in _start (/usr/local/
0xb5e108eb is located 0 bytes to the right of 27-byte region [0xb5e108d0,
allocated by thread T0 here:
#0 0x80c6bc1 in malloc (/usr/local/
#1 0x81889a9 in AcquireMagickMemory /home/user/
#2 0x81889a9 in AcquireQuantumM
#3 0x8a8ad6a in ReadImage /home/user/
#4 0x8a92bdf in ReadImages /home/user/
#5 0x9375c09 in CLINoImageOperator /home/user/
#6 0x937e0f1 in CLIOption /home/user/
#7 0x910ae9d in ProcessCommandO
SUMMARY: AddressSanitizer: heap-buffer-
Shadow bytes around the buggy address:
0x36bc20c0: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd
0x36bc20d0: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd
0x36bc20e0: fd fd fa fa fd fd fd fd fa fa fd fd fd fd fa fa
0x36bc20f0: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd
0x36bc2100: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd
=>0x36bc2110: fd fd fa fa fd fd fd fd fa fa 00 00 00[03]fa fa
0x36bc2120: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd
0x36bc2130: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd
0x36bc2140: fd fd fa fa fd fd fd fd fa fa fd fd fd fd fa fa
0x36bc2150: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd
0x36bc2160: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd
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
ASan internal: fe
==1020==ABORTING
Changed in imagemagick (Ubuntu): | |
status: | New → Confirmed |
input file to trigger crash