*** This bug is a security vulnerability *** Public security bug reported:
================================================================= ==9817==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xb4303bcc at pc 0x8801f3a bp 0xbfadb6c8 sp 0xbfadb6c0 READ of size 1 at 0xb4303bcc thread T0 #0 0x8801f39 in DecodeImage /home/user/Desktop/ImageMagick/coders/sun.c:173 #1 0x8801f39 in ReadSUNImage /home/user/Desktop/ImageMagick/coders/sun.c:441 #2 0x8a9438a in ReadImage /home/user/Desktop/ImageMagick/MagickCore/constitute.c:494 #3 0x8a9c1ff in ReadImages /home/user/Desktop/ImageMagick/MagickCore/constitute.c:844 #4 0x9371649 in CLINoImageOperator /home/user/Desktop/ImageMagick/MagickWand/operation.c:4663 #5 0x9379b31 in CLIOption /home/user/Desktop/ImageMagick/MagickWand/operation.c:5157 #6 0x910713d in ProcessCommandOptions /home/user/Desktop/ImageMagick/MagickWand/magick-cli.c:474 #7 0x910a4b5 in MagickImageCommand /home/user/Desktop/ImageMagick/MagickWand/magick-cli.c:786 #8 0x910e999 in MagickCommandGenesis /home/user/Desktop/ImageMagick/MagickWand/mogrify.c:172 #9 0x80de12d in MagickMain /home/user/Desktop/ImageMagick/utilities/magick.c:74 #10 0x80de12d in main /home/user/Desktop/ImageMagick/utilities/magick.c:85 #11 0xb746fa82 in __libc_start_main /build/buildd/eglibc-2.19/csu/libc-start.c:287 #12 0x80ddf54 in _start (/usr/local/bin/magick+0x80ddf54) 0xb4303bcc is located 0 bytes to the right of 460-byte region [0xb4303a00,0xb4303bcc) 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 #3 0x8a9438a in ReadImage /home/user/Desktop/ImageMagick/MagickCore/constitute.c:494 #4 0x8a9c1ff in ReadImages /home/user/Desktop/ImageMagick/MagickCore/constitute.c:844 #5 0x9371649 in CLINoImageOperator /home/user/Desktop/ImageMagick/MagickWand/operation.c:4663 #6 0x9379b31 in CLIOption /home/user/Desktop/ImageMagick/MagickWand/operation.c:5157 #7 0x910713d in ProcessCommandOptions /home/user/Desktop/ImageMagick/MagickWand/magick-cli.c:474 SUMMARY: AddressSanitizer: heap-buffer-overflow /home/user/Desktop/ImageMagick/coders/sun.c:173 DecodeImage Shadow bytes around the buggy address: 0x36860720: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x36860730: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x36860740: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x36860750: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x36860760: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 =>0x36860770: 00 00 00 00 00 00 00 00 00[04]fa fa fa fa fa fa 0x36860780: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x36860790: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x368607a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x368607b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x368607c0: 00 00 00 00 00 00 00 00 00 00 00 00 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 ==9817==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/1537417 Title: heap-buffer-overflow in coders/sun.c:173 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1537417/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs