*** This bug is a security vulnerability *** Public security bug reported:
================================================================= ==14781==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xb4804860 at pc 0x87748af bp 0xbfc4b818 sp 0xbfc4b810 READ of size 1 at 0xb4804860 thread T0 #0 0x87748ae in DecodePSDPixels /home/user/Desktop/ImageMagick/coders/psd.c:524 #1 0x87748ae in ReadPSDChannelRLE /home/user/Desktop/ImageMagick/coders/psd.c:1024 #2 0x875d46b in ReadPSDMergedImage /home/user/Desktop/ImageMagick/coders/psd.c:1733 #3 0x875d46b in ReadPSDImage /home/user/Desktop/ImageMagick/coders/psd.c:2004 #4 0x8a9438a in ReadImage /home/user/Desktop/ImageMagick/MagickCore/constitute.c:494 #5 0x8a9c1ff in ReadImages /home/user/Desktop/ImageMagick/MagickCore/constitute.c:844 #6 0x9371649 in CLINoImageOperator /home/user/Desktop/ImageMagick/MagickWand/operation.c:4663 #7 0x9379b31 in CLIOption /home/user/Desktop/ImageMagick/MagickWand/operation.c:5157 #8 0x910713d in ProcessCommandOptions /home/user/Desktop/ImageMagick/MagickWand/magick-cli.c:474 #9 0x910a4b5 in MagickImageCommand /home/user/Desktop/ImageMagick/MagickWand/magick-cli.c:786 #10 0x910e999 in MagickCommandGenesis /home/user/Desktop/ImageMagick/MagickWand/mogrify.c:172 #11 0x80de12d in MagickMain /home/user/Desktop/ImageMagick/utilities/magick.c:74 #12 0x80de12d in main /home/user/Desktop/ImageMagick/utilities/magick.c:85 #13 0xb7512a82 in __libc_start_main /build/buildd/eglibc-2.19/csu/libc-start.c:287 #14 0x80ddf54 in _start (/usr/local/bin/magick+0x80ddf54) 0xb4804860 is located 0 bytes to the right of 64-byte region [0xb4804820,0xb4804860) allocated by thread T0 here: #0 0x80c6b81 in malloc (/usr/local/bin/magick+0x80c6b81) #1 0x81932f9 in AcquireMagickMemory /home/user/Desktop/ImageMagick/MagickCore/memory.c:475 #2 0x81932f9 in AcquireQuantumMemory /home/user/Desktop/ImageMagick/MagickCore/memory.c:548 SUMMARY: AddressSanitizer: heap-buffer-overflow /home/user/Desktop/ImageMagick/coders/psd.c:524 DecodePSDPixels Shadow bytes around the buggy address: 0x369008b0: 00 00 00 00 00 00 00 04 fa fa fa fa 00 00 00 00 0x369008c0: 00 00 00 04 fa fa fa fa 00 00 00 00 00 00 00 04 0x369008d0: fa fa fa fa 00 00 00 00 00 00 00 04 fa fa fa fa 0x369008e0: 00 00 00 00 00 00 00 04 fa fa fa fa 00 00 00 00 0x369008f0: 00 00 00 04 fa fa fa fa 00 00 00 00 00 00 00 04 =>0x36900900: fa fa fa fa 00 00 00 00 00 00 00 00[fa]fa fa fa 0x36900910: 00 00 00 00 00 00 00 04 fa fa fa fa 00 00 00 00 0x36900920: 00 00 00 04 fa fa fa fa 00 00 00 00 00 00 00 04 0x36900930: fa fa fa fa 00 00 00 00 00 00 00 04 fa fa fa fa 0x36900940: 00 00 00 00 00 00 00 04 fa fa fa fa 00 00 00 00 0x36900950: 00 00 00 04 fa fa fa fa 00 00 00 00 00 00 00 04 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 ==14781==ABORTING ** Affects: imagemagick (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1537418 Title: heap-buffer-overflow in coders/psd.c:524 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1537418/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs