PHP 7.2 - imagecolormatch() Out of Band Heap Write

PHP 7.2 - imagecolormatch Out of Band Heap Write &c= Example: GET/POST /exploit.php?f=0x7fe83d1bb480&c=id++/dev/shm/titi Target: PHP 7.2.x Tested on: PHP 7.2.12 / buf = unsigned long safeemallocsizeofunsigned long, 5 im2-colorsTotal, 0; for x=0; xsx; x++ for y=0; ysy; y++ color = im2-pixelsyx; rg...

Internet Bug Bounty: Heap overflow due to integer overflow in pg_escape_string() function

The fix for this bug has been committed: https://bugs.php.net/bug.php?id=73399 Description: ------------ I have found some vulnerable code at pgescapestring function in module PostgreSQL. pgescapestring function creates a new zendstring object to store escaped string. The size of destination stri...

Internet Bug Bounty: Stack Buffer Overflow in GD dynamicGetbuf

Stack-based buffer over flow in GD dynamicGetbuf - Vulnerable function: imagecreatefromstring - Bug has been reported: https://bugs.php.net/bug.php?id=73280 - Submitted a patch and accepted: https://github.com/php/php-src/commit/cc08cbc84d46933c1e9e0149633f1ed5d19e45e9 - Impact: Remotely...

PHP 7 is due: the deserialization vulnerability case studies and analysis of on-vulnerability warning-the black bar safety net

! 1. Vulnerability history For hackers, if you can use a server-side error, that's the equivalent of hit the jackpot. Because users tend to move their data stored in the server,if a hacker can make use of this error can be directed to a target, thereby acquiring greater benefits. PHP scripting...