Vulnerability in Php

CVE-2007-1700

The session extension in PHP 4 before 4.4.5, and PHP 5 before 5.2.1, calculates the reference count for the session variables without considering the internal pointer from the session globals, which allows context-dependent attackers to execute arbitrary code via a crafted string in the session_register after unsetting HTTP_SESSION_VARS and _SESSION, which destroys the session data Hashtable.

EPSS: 0.090 (94.7th percentile) — read the EPSS interpretation.

Affected products

  • Php — versions 4.0, 4.0.0, 4.0.1
  • N/a — versions n/a

References