Bug #66874 [NEW]: Hashing gives same output for a specific string

From: amish dot mhatre dot 1993 at gmail dot com Operating system: Windows 7 PHP version: 5.4.26 Package: hash related Bug Type: Bug Bug description:Hashing gives same output for a specific string Description: ------------ --- From manual page: http://www.php.net/function.crypt --- Test script: --------------- <?php echo "Using Salt: tRySalTIng@free "; echo "<br><br>"; $pwd="1234567890"; $ped=crypt($pwd,'tRySalTIng@free'); echo "1234567890: ".$ped."<br><br>"; $pwd="123456789123"; $ped=crypt($pwd,'tRySalTIng@free'); echo "123456789123: ".$ped."\n"; echo "<br><br>"; echo "<br><br>"; echo "Using Salt: BLA&ZE11005!@98 "; echo "<br><br>"; $pwd="1234567890"; $ped=crypt($pwd,'BLA&ZE11005!@98'); echo "1234567890: ".$ped."<br><br>"; $pwd="123456789123"; $ped=crypt($pwd,'BLA&ZE11005!@98'); echo "123456789123: ".$ped."\n"; ?> Expected result: ---------------- Got following output: Using Salt: tRySalTIng@free 1234567890: tRIrkXjwVoQ4E 123456789123: tRIrkXjwVoQ4E Using Salt: BLA&ZE11005!@98 1234567890: BLBaYGP/QWoPM 123456789123: BLBaYGP/QWoPM Both gave same hashed values for above strings. Well try to checkout this bug asap because it is not at all safe regarding security point of view. -- Edit bug report at https://bugs.php.net/bug.php?id=66874&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=66874&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=66874&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=66874&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=66874&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=66874&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=66874&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=66874&r=needscript Try newer version: https://bugs.php.net/fix.php?id=66874&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=66874&r=support Expected behavior: https://bugs.php.net/fix.php?id=66874&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=66874&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=66874&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=66874&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=66874&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=66874&r=dst IIS Stability: https://bugs.php.net/fix.php?id=66874&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=66874&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=66874&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=66874&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=66874&r=mysqlcfg