strongSwan 4.3.5 through 5.0.3, when using the OpenSSL plugin for ECDSA signature verification, allows remote attackers to authenticate as other users via an invalid signature.
| Software | From | Fixed in |
|---|---|---|
| strongswan / strongswan | 4.3.7 | 4.3.7.x |
| strongswan / strongswan | 4.5.3 | 4.5.3.x |
| strongswan / strongswan | 4.5.2 | 4.5.2.x |
| strongswan / strongswan | 5.0.1 | 5.0.1.x |
| strongswan / strongswan | 4.4.0 | 4.4.0.x |
| strongswan / strongswan | 4.5.1 | 4.5.1.x |
| strongswan / strongswan | 4.3.5 | 4.3.5.x |
| strongswan / strongswan | 4.6.4 | 4.6.4.x |
| strongswan / strongswan | 4.6.2 | 4.6.2.x |
| strongswan / strongswan | 4.6.1 | 4.6.1.x |
| strongswan / strongswan | 5.0.2 | 5.0.2.x |
| strongswan / strongswan | 4.3.6 | 4.3.6.x |
| strongswan / strongswan | 4.6.0 | 4.6.0.x |
| strongswan / strongswan | 4.6.3 | 4.6.3.x |
| strongswan / strongswan | 5.0.0 | 5.0.0.x |
| strongswan / strongswan | 4.4.1 | 4.4.1.x |
| strongswan / strongswan | 4.5.0 | 4.5.0.x |