CVEs-PoC/2017/CVE-2017-5340.md

CVE-2017-5340

Description

Zend/zend_hash.c in PHP before 7.0.15 and 7.1.x before 7.1.1 mishandles certain cases that require large array allocations, which allows remote attackers to execute arbitrary code or cause a denial of service (integer overflow, uninitialized memory access, and use of arbitrary destructor function pointers) via crafted serialized data.

POC

Reference

• https://bugs.php.net/bug.php?id=73832
• https://bugs.php.net/bug.php?id=73832
• https://hackerone.com/reports/195950
• https://hackerone.com/reports/195950

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/mrash/afl-cve