Blog

Release and vulnerability announcements for strongSwan

A DoS vulnerability triggered by crafted ID payloads was discovered in strongSwan. Versions since 4.3.3 and before 5.1.2 are affected.

An authentication bypass vulnerability was discovered in strongSwan. It can be triggered by rekeying an unestablished IKEv2 SA while it gets actively initiated. All versions since 4.0.7 are affected.

A DoS vulnerability triggered by crafted IKEv1 fragmentation payloads was discovered in strongSwan's IKE daemon charon. All versions since 5.0.2 are affected.

A DoS vulnerability and potential authorization bypass triggered by a crafted ID_DER_ASN1_DN ID payload was discovered in strongSwan. All versions since 4.3.3 are affected.

A DoS vulnerability in strongSwan was discovered, which is triggered by XAuth usernames and EAP identities in versions 5.0.3 and 5.0.4.

strongSwan 5.0.4 fixes a security vulnerability which affects all versions since 4.3.5 if the openssl plugin is used for ECDSA signature verification.

strongSwan 4.6.4 fixes a security vulnerability which affects all versions since 4.2.0 if the gmp plugin is used for RSA signature verification.