// For flags

CVE-2009-0687

Multiple Vendor - PF Null Pointer Dereference

Severity Score

7.5
*CVSS v3

Exploit Likelihood

12.3%
*EPSS

Affected Versions

7
*CPE

Public Exploits

3
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The pf_test_rule function in OpenBSD Packet Filter (PF), as used in OpenBSD 4.2 through 4.5, NetBSD 5.0 before RC3, MirOS 10 and earlier, and MidnightBSD 0.3-current allows remote attackers to cause a denial of service (panic) via crafted IP packets that trigger a NULL pointer dereference during translation, related to an IPv4 packet with an ICMPv6 payload.

La función pf_test_rule de OpenBSD Packet Filter (PF), tal como es usada en OpenBSD v4.2 hasta v4.5, NetBSD v5.0 anterior a RC3, MirOS v10 y anteriores y MidnightBSD v0.3 hasta la versión actual permite a atacantes remotos causar una denegación de servicio a través de paquetes IP modificados que provocan una "desreferencia" de un puntero nulo relacionada con un paquete IPv4 con datos ("payload") ICMPv6.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2009-02-22 CVE Reserved
  • 2009-04-14 First Exploit
  • 2009-08-11 CVE Published
  • 2024-08-07 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-399: Resource Management Errors
CAPEC
Affected Vendors, Products, and Versions (7)