Invalid Curve Attack in Bouncy Castle Java Library

Invalid Curve Attack in Bouncy Castle Java Library

CVE-2015-7940 · MEDIUM Severity

AV:N/AC:L/AU:N/C:P/I:N/A:N

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."

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