// For flags

CVE-2007-1383

PHP 4 - Userland ZVAL Reference Counter Overflow (PoC)

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Integer overflow in the 16 bit variable reference counter in PHP 4 allows context-dependent attackers to execute arbitrary code by overflowing this counter, which causes the same variable to be destroyed twice, a related issue to CVE-2007-1286.

Desbordamiento de búfer en el contador de referencia a variable de 16 bits en PHP 4 permite a atacantes locales o remotos dependientes del contexto ejecutar código de su elección al desbordar este contador, que causa que la misma variable sea destruida dos veces, vulnerabilidad relativa a CVE-2007-1286.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2007-03-01 First Exploit
  • 2007-03-09 CVE Reserved
  • 2007-03-10 CVE Published
  • 2025-04-03 CVE Updated
  • 2025-04-04 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-189: Numeric Errors
  • CWE-190: Integer Overflow or Wraparound
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"
 4.0
Search vendor "Php" for product "Php" and version "4.0"
-
Affected