1--TEST-- 2Bug #78910: Heap-buffer-overflow READ in exif (OSS-Fuzz #19044) 3--FILE-- 4<?php 5 6var_dump(exif_read_data('data:image/jpg;base64,TU0AKgAAAAwgICAgAAIBDwAEAAAAAgAAACKSfCAgAAAAAEZVSklGSUxN')); 7 8?> 9--EXPECTF-- 10Notice: exif_read_data(): Read from TIFF: tag(0x927C, MakerNote): Illegal format code 0x2020, switching to BYTE in %s on line %d 11 12Warning: exif_read_data(): Process tag(x927C=MakerNote): Illegal format code 0x2020, suppose BYTE in %s on line %d 13 14Warning: exif_read_data(): IFD data too short: 0x0000 offset 0x000C in %s on line %d 15 16Warning: exif_read_data(): Error in TIFF: filesize(x002A) less than start of IFD dir(x46494C4F) in %s on line %d 17array(8) { 18 ["FileDateTime"]=> 19 int(0) 20 ["FileSize"]=> 21 int(42) 22 ["FileType"]=> 23 int(8) 24 ["MimeType"]=> 25 string(10) "image/tiff" 26 ["SectionsFound"]=> 27 string(13) "ANY_TAG, IFD0" 28 ["COMPUTED"]=> 29 array(2) { 30 ["IsColor"]=> 31 int(0) 32 ["ByteOrderMotorola"]=> 33 int(1) 34 } 35 ["Make"]=> 36 array(2) { 37 [0]=> 38 int(1179994697) 39 [1]=> 40 int(1179208781) 41 } 42 ["MakerNote"]=> 43 NULL 44} 45
