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.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
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the CVE-ID was allocated or reserved, and does not
necessarily indicate when this vulnerability was
discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
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