CVE-2015-7940 — Vulnetix

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CVE-2015-7940 PUBLISHED

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."

EPSS 0.97% · 76.5th percentile

Risk Scores

EPSS Score

0.97%

76.5th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:14.04:LTS	bouncycastle	0, 1.48+dfsg-2, 1.49+dfsg-2

Timeline

Nov 9, 2015 CVE Published
Feb 4, 2022 EPSS Score
Mar 28, 2022 EPSS Score
May 19, 2022 EPSS Score
Jul 10, 2022 EPSS Score
Oct 23, 2022 EPSS Score
Dec 14, 2022 EPSS Score
Feb 4, 2023 EPSS Score
Mar 7, 2023 EPSS Score
Mar 28, 2023 EPSS Score
May 19, 2023 EPSS Score
Jul 10, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2015-7940 third-party-advisory
https://web-in-security.blogspot.ca/2015/09/practical-invalid-curve-attacks.html third-party-advisory
https://ubuntu.com/security/notices/USN-3727-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2015-7940 third-party-advisory

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