CVE-2015-7940

Medium

Description

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."

SeverityMedium
CVSS5.0
Exploit probability—
ProductBouncycastle Bouncy Castle Crypto Package
PublishedNov 9, 2015
First seenNov 9, 2015

How to fix

Update
  • org.bouncycastle:bcprov-jdk151.51 or later
  • org.bouncycastle:bcprov-jdk141.51 or later
  • org.bouncycastle:bcprov-jdk15on1.51 or later
Vendor advisories

Affected products

ProductAffected versionsFixed in
bouncycastle bouncy_castle_crypto_packagev ≤ 1.50—
opensuse leap42.1—
opensuse opensuse13.1, 13.2—
oracle application_testing_suite12.5.0.1, 12.5.0.2, 12.5.0.3—
oracle enterprise_manager_ops_center12.1.4, 12.2.2—
oracle peoplesoft_enterprise_peopletools8.54, 8.55—
oracle virtual_desktop_infrastructure3.5.2—
org.bouncycastle:bcprov-jdk15Mavenv < 1.511.51
org.bouncycastle:bcprov-jdk14Mavenv < 1.511.51
org.bouncycastle:bcprov-jdk15onMavenv < 1.511.51

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CVE-2015-7940 · Bouncycastle Bouncy Castle Crypto Package · Dark Radar