0day.today - Biggest Exploit Database in the World.
- We use one main domain: http://0day.today
- Most of the materials is completely FREE
- If you want to purchase the exploit / get V.I.P. access or pay for any other service,
you need to buy or earn
GOLD
Administration of this site uses the official contacts. Beware of impostors!
We DO NOT use Telegram or any messengers / social networks!Please, beware of scammers!
- Read the [ agreement ]
- Read the [ Submit ] rules
- Visit the [ faq ] page
- [ Register ] profile
- Get [ GOLD ]
- If you want to [ sell ]
- If you want to [ buy ]
- If you lost [ Account ]
- Any questions [ admin@0day.today ]
- Authorisation page
- Registration page
- Restore account page
- FAQ page
- Contacts page
- Publishing rules
- Agreement page
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
Contact us
You can contact us by:
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
PHP 7.1.0 / 5.6.29 missing null byte checks for paths in exif_imagetype Vulnerability
[Description:
------------
exif_imagetype doesn’t ensure that pathnames lack NULL byte, which might allow attacker to manipulate the file path.
===============================================
Affected code:
PHP_FUNCTION(exif_imagetype)
{
char *imagefile;
size_t imagefile_len;
php_stream * stream;
int itype = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &imagefile, &imagefile_len) == FAILURE) { ⇐== THIS LINE
return;
}
===============================================
Test script:
---------------
<?php
var_dump(exif_imagetype("./image.png\x00.gallery.jpg"));
?>
Expected result:
----------------
expected parameter instead of string
Actual result:
--------------
$ php curl.php
int(3)
Credit: Maksymilian
# 0day.today [2024-06-07] #