Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-4mv7-cq75-3qjm
Advisory ID github_osv/GHSA-4mv7-cq75-3qjm
Aliases CVE-2015-7940
Summary Moderate severity vulnerability that affects org.bouncycastle:bcprov-jdk14 and org.bouncycastle:bcprov-jdk15 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."
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
System Score Found at
generic_textual MODERATE
Reference id Reference type URL
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174915.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00012.html
http://rhn.redhat.com/errata/RHSA-2016-2035.html
http://rhn.redhat.com/errata/RHSA-2016-2036.html
https://github.com/advisories/GHSA-4mv7-cq75-3qjm
https://nvd.nist.gov/vuln/detail/CVE-2015-7940
https://usn.ubuntu.com/3727-1
https://www.oracle.com/security-alerts/cpuapr2020.html
http://web-in-security.blogspot.ca/2015/09/practical-invalid-curve-attacks.html
http://www.debian.org/security/2015/dsa-3417
http://www.openwall.com/lists/oss-security/2015/10/22/7
http://www.openwall.com/lists/oss-security/2015/10/22/9
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.securityfocus.com/bid/79091
http://www.securitytracker.com/id/1037036
http://www.securitytracker.com/id/1037046
http://www.securitytracker.com/id/1037053
cpuapr2018-3678067.html Other http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
cpujan2018-3236628.html Other http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
cpujan2019-5072801.html Other https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
cpujul2018-4258247.html Other http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
cpuoct2016-2881722.html Other http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
There are no known vectors.

There are no SSVC decisions available.