CVE-2009-0790 — Improper Input Validation in Strongswan
Severity
5.0MEDIUMNVD
EPSS
10.9%
top 6.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 1
Latest updateMay 2
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.
CVSS vector
AV:N/AC:L/C:N/I:N/A:PExploitability: 10.0 | Impact: 2.9