CVEvulnerability

CVE-2009-0790

5.0 MEDIUM Published 2009-04-01 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2009-04-01
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-20

Description

The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash and restart) via a crafted (1) R_U_THERE or (2) R_U_THERE_ACK Dead Peer Detection (DPD) IPsec IKE Notification message that triggers a NULL pointer dereference related to inconsistent ISAKMP state and the lack of a phase2 state association in DPD.

Affected configurations

• strongswan strongswan 2.4.0 • strongswan strongswan 2.4.0a • strongswan strongswan 2.4.1 • strongswan strongswan 2.4.2 • strongswan strongswan 2.4.3 • strongswan strongswan 2.4.4 • strongswan strongswan 2.6.0 • strongswan strongswan 2.6.1 • strongswan strongswan 2.6.2 • strongswan strongswan 2.6.3 • strongswan strongswan 2.6.4 • strongswan strongswan 2.8.0 • strongswan strongswan 2.8.1 • strongswan strongswan 2.8.2 • strongswan strongswan 2.8.3 • strongswan strongswan 2.8.4 • strongswan strongswan 2.8.5 • strongswan strongswan 2.8.6 • strongswan strongswan 2.8.7 • strongswan strongswan 2.8.8 • strongswan strongswan 4.2.0 • strongswan strongswan 4.2.1 • strongswan strongswan 4.2.2 • strongswan strongswan 4.2.3 • strongswan strongswan 4.2.4 • strongswan strongswan 4.2.5 • strongswan strongswan 4.2.6 • strongswan strongswan 4.2.7 • strongswan strongswan 4.2.8 • strongswan strongswan 4.2.9 • strongswan strongswan 4.2.10 • strongswan strongswan 4.2.11 • strongswan strongswan 4.2.12 • strongswan strongswan 4.2.13 • xelerance openswan 2.4.0 • xelerance openswan 2.4.1 • xelerance openswan 2.4.2 • xelerance openswan 2.4.3 • xelerance openswan 2.4.4 • xelerance openswan 2.4.5 • xelerance openswan 2.4.9 • xelerance openswan 2.4.10 • xelerance openswan 2.6.03 • xelerance openswan 2.6.04 • xelerance openswan 2.6.05 • xelerance openswan 2.6.06 • xelerance openswan 2.6.07 • xelerance openswan 2.6.08 • xelerance openswan 2.6.09 • xelerance openswan 2.6.10 • xelerance openswan 2.6.11 • xelerance openswan 2.6.12 • xelerance openswan 2.6.13 • xelerance openswan 2.6.14 • xelerance openswan 2.6.15 • xelerance openswan 2.6.16 • xelerance openswan 2.6.17 • xelerance openswan 2.6.18 • xelerance openswan 2.6.19 • xelerance openswan 2.6.20

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References