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.
2009-06-08T01:00:00.750
2025-04-09T00:30:58.490
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | strongswan | strongswan | ≤ 4.2.9 | Yes |
| Application | strongswan | strongswan | 2.0.0 | Yes |
| Application | strongswan | strongswan | 2.0.1 | Yes |
| Application | strongswan | strongswan | 2.0.2 | Yes |
| Application | strongswan | strongswan | 2.1.0 | Yes |
| Application | strongswan | strongswan | 2.1.1 | Yes |
| Application | strongswan | strongswan | 2.1.2 | Yes |
| Application | strongswan | strongswan | 2.1.3 | Yes |
| Application | strongswan | strongswan | 2.1.4 | Yes |
| Application | strongswan | strongswan | 2.1.5 | Yes |
| Application | strongswan | strongswan | 2.2.0 | Yes |
| Application | strongswan | strongswan | 2.2.1 | Yes |
| Application | strongswan | strongswan | 2.2.2 | Yes |
| Application | strongswan | strongswan | 2.3.0 | Yes |
| Application | strongswan | strongswan | 2.3.1 | Yes |
| Application | strongswan | strongswan | 2.3.2 | Yes |
| Application | strongswan | strongswan | 2.4.0 | Yes |
| Application | strongswan | strongswan | 2.4.0a | Yes |
| Application | strongswan | strongswan | 2.4.1 | Yes |
| Application | strongswan | strongswan | 2.4.2 | Yes |
| Application | strongswan | strongswan | 2.4.3 | Yes |
| Application | strongswan | strongswan | 2.4.4 | Yes |
| Application | strongswan | strongswan | 2.5.0 | Yes |
| Application | strongswan | strongswan | 2.5.1 | Yes |
| Application | strongswan | strongswan | 2.5.2 | Yes |
| Application | strongswan | strongswan | 2.5.3 | Yes |
| Application | strongswan | strongswan | 2.5.4 | Yes |
| Application | strongswan | strongswan | 2.5.5 | Yes |
| Application | strongswan | strongswan | 2.5.6 | Yes |
| Application | strongswan | strongswan | 2.5.7 | Yes |
| Application | strongswan | strongswan | 2.6.0 | Yes |
| Application | strongswan | strongswan | 2.6.1 | Yes |
| Application | strongswan | strongswan | 2.6.2 | Yes |
| Application | strongswan | strongswan | 2.6.3 | Yes |
| Application | strongswan | strongswan | 2.6.4 | Yes |
| Application | strongswan | strongswan | 2.6.16 | Yes |
| Application | strongswan | strongswan | 2.6.20 | Yes |
| Application | strongswan | strongswan | 2.7.0 | Yes |
| Application | strongswan | strongswan | 2.8.0 | Yes |
| Application | strongswan | strongswan | 2.8.1 | Yes |
| Application | strongswan | strongswan | 2.8.2 | Yes |
| Application | strongswan | strongswan | 2.8.3 | Yes |
| Application | strongswan | strongswan | 2.8.4 | Yes |
| Application | strongswan | strongswan | 2.8.5 | Yes |
| Application | strongswan | strongswan | 2.8.6 | Yes |
| Application | strongswan | strongswan | 2.8.7 | Yes |
| Application | strongswan | strongswan | 2.8.8 | Yes |
| Application | strongswan | strongswan | 4.0.0 | Yes |
| Application | strongswan | strongswan | 4.0.1 | Yes |
| Application | strongswan | strongswan | 4.0.2 | Yes |
| Application | strongswan | strongswan | 4.0.3 | Yes |
| Application | strongswan | strongswan | 4.0.4 | Yes |
| Application | strongswan | strongswan | 4.0.5 | Yes |
| Application | strongswan | strongswan | 4.0.6 | Yes |
| Application | strongswan | strongswan | 4.0.7 | Yes |
| Application | strongswan | strongswan | 4.1.0 | Yes |
| Application | strongswan | strongswan | 4.1.1 | Yes |
| Application | strongswan | strongswan | 4.1.2 | Yes |
| Application | strongswan | strongswan | 4.1.3 | Yes |
| Application | strongswan | strongswan | 4.1.4 | Yes |
| Application | strongswan | strongswan | 4.1.5 | Yes |
| Application | strongswan | strongswan | 4.1.6 | Yes |
| Application | strongswan | strongswan | 4.1.7 | Yes |
| Application | strongswan | strongswan | 4.1.8 | Yes |
| Application | strongswan | strongswan | 4.1.9 | Yes |
| Application | strongswan | strongswan | 4.1.10 | Yes |
| Application | strongswan | strongswan | 4.1.11 | Yes |
| Application | strongswan | strongswan | 4.2.0 | Yes |
| Application | strongswan | strongswan | 4.2.1 | Yes |
| Application | strongswan | strongswan | 4.2.2 | Yes |
| Application | strongswan | strongswan | 4.2.3 | Yes |
| Application | strongswan | strongswan | 4.2.4 | Yes |
| Application | strongswan | strongswan | 4.2.5 | Yes |
| Application | strongswan | strongswan | 4.2.6 | Yes |
| Application | strongswan | strongswan | 4.2.7 | Yes |
| Application | strongswan | strongswan | 4.2.8 | Yes |
| Application | strongswan | strongswan | 4.2.10 | Yes |
| Application | strongswan | strongswan | 4.2.11 | Yes |
| Application | strongswan | strongswan | 4.2.12 | Yes |
| Application | strongswan | strongswan | 4.2.13 | Yes |