GHSA-R4W4-WV68-QV85 Spring Cloud AWS missing SNS message signature verification allows spoofing of HTTP/HTTPS endpoint notifications

Impact Applications using Spring Cloud AWS SNS HTTP/HTTPS endpoint support @NotificationMessageMapping, @NotificationSubscriptionMapping, @NotificationUnsubscribeConfirmationMapping did not verify the signature of incoming SNS messages. An unauthenticated attacker who knows the endpoint URL could...