Bug #68675 [NEW]: Off-by-one out-of-boudns write

From: bugreports at internot dot info Operating system: Linux Ubuntu 14.04 PHP version: master-Git-2014-12-29 (Git) Package: *General Issues Bug Type: Bug Bug description:Off-by-one out-of-boudns write Description: ------------ Hi, In /ext/mbstring/oniguruma/regcomp.c: 4240 for (j = 0; j < len && p < end; j++) 4241 to->s[i++] = *p++; to->s[] may overflow, because i++ may get up to 24, and to->s is 24, causing a 1 byte OoB write. Thanks, -- Edit bug report at https://bugs.php.net/bug.php?id=68675&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=68675&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=68675&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=68675&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=68675&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=68675&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=68675&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=68675&r=needscript Try newer version: https://bugs.php.net/fix.php?id=68675&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=68675&r=support Expected behavior: https://bugs.php.net/fix.php?id=68675&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=68675&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=68675&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=68675&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68675&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=68675&r=dst IIS Stability: https://bugs.php.net/fix.php?id=68675&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=68675&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=68675&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=68675&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=68675&r=mysqlcfg