// For flags

CVE-2007-1521

PHP 5.2.1 - 'session_regenerate_id()' Double-Free

Severity Score

6.8
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Double free vulnerability in PHP before 4.4.7, and 5.x before 5.2.2, allows context-dependent attackers to execute arbitrary code by interrupting the session_regenerate_id function, as demonstrated by calling a userspace error handler or triggering a memory limit violation.

Una vulnerabilidad de doble liberación en PHP versiones anteriores a 4.4.7, y versiones 5.x anteriores a 5.2.2, permite a atacantes dependiendo del contexto ejecutar código arbitrario mediante la interrupción de la función session_regenerate_id, como es demostrado mediante la llamada de un manejador de errores de espacio de usuario o desencadenando una violación de límite de memoria.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2007-03-14 First Exploit
  • 2007-03-20 CVE Reserved
  • 2007-03-20 CVE Published
  • 2024-06-23 EPSS Updated
  • 2024-08-07 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Php
Search vendor "Php"
 Php
Search vendor "Php" for product "Php"
 <= 5.2.1
Search vendor "Php" for product "Php" and version " <= 5.2.1"
-
Affected