out-of-bounds read in MagickCore/memory.c:718:10
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 version Tested on git commit 8bc3ab67d818204
Command: magick id:000204,
=======
==14255==ERROR: AddressSanitizer: heap-buffer-
READ of size 5632 at 0xb540771c thread T0
#0 0x8196d1e in CopyMagickMemory /home/user/
#1 0x8763497 in RemoveResolutio
#2 0x8763497 in WritePSDImage /home/user/
#3 0x8a9e9d8 in WriteImage /home/user/
#4 0x8aa23bc in WriteImages /home/user/
#5 0x9371daf in CLINoImageOperator /home/user/
#6 0x9379bc1 in CLIOption /home/user/
#7 0x91080c3 in ProcessCommandO
#8 0x910a545 in MagickImageCommand /home/user/
#9 0x910ea29 in MagickCommandGe
#10 0x80de12d in MagickMain /home/user/
#11 0x80de12d in main /home/user/
#12 0xb751ba82 in __libc_start_main /build/
#13 0x80ddf54 in _start (/usr/local/
0xb540771c is located 540 bytes to the right of 4096-byte region [0xb5406500,
freed by thread T0 here:
#0 0x80c69c1 in __interceptor_free (/usr/local/
#1 0x8197c58 in RelinquishMagic
previously allocated by thread T0 here:
#0 0x80c6b81 in malloc (/usr/local/
#1 0x8193319 in AcquireMagickMemory /home/user/
#2 0x8193319 in AcquireQuantumM
SUMMARY: AddressSanitizer: heap-buffer-
Shadow bytes around the buggy address:
0x36a80e90: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x36a80ea0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x36a80eb0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x36a80ec0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x36a80ed0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x36a80ee0: fa fa fa[fa]fa fa fa fa fa fa fa fa fa fa fa fa
0x36a80ef0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x36a80f00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x36a80f10: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x36a80f20: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x36a80f30: 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
ASan internal: fe
==14255==ABORTING
Changed in imagemagick (Ubuntu): | |
status: | New → Confirmed |
input file to trigger crash