Vulnerability in Strongswan

CVE-2009-1957

charon/sa/ike_sa.c in the charon daemon in strongSWAN before 4.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an invalid IKE_SA_INIT request that triggers "an incomplete state," followed by a CREATE_CHILD_SA request.

EPSS: 0.029 (85.7th percentile) — read the EPSS interpretation.

Affected products

  • Strongswan — versions 2.0.0, 2.0.1, 2.0.2
  • N/a — versions n/a

Weakness classification (CWE)

References