The Bouncy Castle Java library before 1.51 does not validate a point is withing the elliptic curve, which makes it easier for remote attackers to obtain private keys via a series of crafted elliptic curve Diffie Hellman (ECDH) key exchanges, aka an "invalid curve attack."
{
"severity": "MODERATE",
"cwe_ids": [
"CWE-200"
],
"nvd_published_at": "2015-11-09T16:59:09Z",
"github_reviewed_at": "2020-06-16T20:58:37Z",
"github_reviewed": true
}