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CVE-2009-1958

charon/sa/tasks/child_create.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers…

Impact

charon/sa/tasks/child_create.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKE_AUTH request without a (1) TSi or (2) TSr traffic selector.

Affected products

VendorProductAffected versions
StrongswanStrongswan
through 4.2.9
Versions 2.0.0, 2.0.1, 2.0.2, 2.1.0, 2.1.1

Weakness classification

CWE-399

References