CVE-2009-0790
Medium
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.
SeverityMedium
CVSS5.0
Exploit probability—
ProductStrongswan
PublishedApr 1, 2009
First seenApr 1, 2009
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| strongswan strongswan | 2.4.0, 2.4.0a, 2.4.1, 2.4.2, 2.4.3, 2.4.4, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.8.0, 2.8.1, 2.8.2, 2.8.3, 2.8.4, 2.8.5, 2.8.6, 2.8.7, 2.8.8, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 4.2.5, 4.2.6, 4.2.7, 4.2.8, 4.2.9, 4.2.10, 4.2.11, 4.2.12, 4.2.13 | — |
| xelerance openswan | 2.4.0, 2.4.1, 2.4.2, 2.4.3, 2.4.4, 2.4.5, 2.4.9, 2.4.10, 2.6.03, 2.6.04, 2.6.05, 2.6.06, 2.6.07, 2.6.08, 2.6.09, 2.6.10, 2.6.11, 2.6.12, 2.6.13, 2.6.14, 2.6.15, 2.6.16, 2.6.17, 2.6.18, 2.6.19, 2.6.20 | — |
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