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CVE-2009-0790

UnknownEPSS 3.18%

Last modified

CVE-2009-0790 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.18% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
3.18%

86.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
StrongswanStrongswan2.4.0
StrongswanStrongswan2.4.0a
StrongswanStrongswan2.4.1
StrongswanStrongswan2.4.2
StrongswanStrongswan2.4.3
StrongswanStrongswan2.4.4
StrongswanStrongswan2.6.0
StrongswanStrongswan2.6.1
StrongswanStrongswan2.6.2
StrongswanStrongswan2.6.3
StrongswanStrongswan2.6.4
StrongswanStrongswan2.8.0
StrongswanStrongswan2.8.1
StrongswanStrongswan2.8.2
StrongswanStrongswan2.8.3
StrongswanStrongswan2.8.4
StrongswanStrongswan2.8.5
StrongswanStrongswan2.8.6
StrongswanStrongswan2.8.7
StrongswanStrongswan2.8.8
StrongswanStrongswan4.2.0
StrongswanStrongswan4.2.1
StrongswanStrongswan4.2.2
StrongswanStrongswan4.2.3
StrongswanStrongswan4.2.4
StrongswanStrongswan4.2.5
StrongswanStrongswan4.2.6
StrongswanStrongswan4.2.7
StrongswanStrongswan4.2.8
StrongswanStrongswan4.2.9
StrongswanStrongswan4.2.10
StrongswanStrongswan4.2.11
StrongswanStrongswan4.2.12
StrongswanStrongswan4.2.13
XeleranceOpenswan2.4.0
XeleranceOpenswan2.4.1
XeleranceOpenswan2.4.2
XeleranceOpenswan2.4.3
XeleranceOpenswan2.4.4
XeleranceOpenswan2.4.5
XeleranceOpenswan2.4.9
XeleranceOpenswan2.4.10
XeleranceOpenswan2.6.03
XeleranceOpenswan2.6.04
XeleranceOpenswan2.6.05
XeleranceOpenswan2.6.06
XeleranceOpenswan2.6.07
XeleranceOpenswan2.6.08
XeleranceOpenswan2.6.09
XeleranceOpenswan2.6.10

Showing 50 of 60 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-0790?
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.
How severe is CVE-2009-0790?
Severity scoring for CVE-2009-0790 is pending analysis. The EPSS model estimates a 3.18% probability of exploitation in the next 30 days.
How do I fix CVE-2009-0790?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-0790?

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Source: NVD / NIST