CVE-2009-0790

Published: Apr 1, 2009Updated: Apr 23, 2026 Sources: CVE List NVD BDUCWE-20

5.0MEDIUM

NVD MITRE

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAccess Vector

Network

AC:LAccess Complexity

Low

Au:NAuthentication

None

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:PAvailability

Partial

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Weaknesses

CWE-20

Affected Products

strongswan

oss-projectaka strongman, strongswan vpn client

strongswanOn-prem

Networking Infrastructure / vpn-gateway

xelerance

commercialaka openswan

openswanOn-prem

Networking Infrastructure / vpn-gateway

Gentoo Foundation Inc.

oss-project·US

Gentoo LinuxOn-premOS

Operating Systems / linux-distro

АО «НППКТ»

commercial·RU

ОСОН ОСнова ОnyxOn-premOS

Operating Systems / linux-distro

and 1 more affected products View all →

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

https://exchange.xforce.ibmcloud.com/vulnerabilities/49523

exchange.xforce.ibmcloud.com

http://secunia.com/advisories/34494

secunia.com

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11171

oval.cisecurity.org

and 16 more references View all →

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