{
"id": "GHSA-4mv7-cq75-3qjm",
"aliases": [
"CVE-2015-7940"
],
"details": "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.\"",
"summary": "Moderate severity vulnerability that affects org.bouncycastle:bcprov-jdk14 and org.bouncycastle:bcprov-jdk15",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.51"
}
]
}
],
"package": {
"name": "org.bouncycastle:bcprov-jdk15",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.51"
}
]
}
],
"package": {
"name": "org.bouncycastle:bcprov-jdk14",
"ecosystem": "Maven"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.51"
}
]
}
],
"package": {
"name": "org.bouncycastle:bcprov-jdk15on",
"ecosystem": "Maven"
}
}
],
"modified": "2025-09-12T19:30:13Z",
"severity": [],
"published": "2018-10-17T16:27:50Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2015-7940",
"type": "ADVISORY"
},
{
"url": "https://github.com/advisories/GHSA-4mv7-cq75-3qjm",
"type": "ADVISORY"
},
{
"url": "https://usn.ubuntu.com/3727-1",
"type": "WEB"
},
{
"url": "https://www.oracle.com/security-alerts/cpuapr2020.html",
"type": "WEB"
},
{
"url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html",
"type": "WEB"
},
{
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174915.html",
"type": "WEB"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00012.html",
"type": "WEB"
},
{
"url": "http://rhn.redhat.com/errata/RHSA-2016-2035.html",
"type": "WEB"
},
{
"url": "http://rhn.redhat.com/errata/RHSA-2016-2036.html",
"type": "WEB"
},
{
"url": "http://web-in-security.blogspot.ca/2015/09/practical-invalid-curve-attacks.html",
"type": "WEB"
},
{
"url": "http://www.debian.org/security/2015/dsa-3417",
"type": "WEB"
},
{
"url": "http://www.openwall.com/lists/oss-security/2015/10/22/7",
"type": "WEB"
},
{
"url": "http://www.openwall.com/lists/oss-security/2015/10/22/9",
"type": "WEB"
},
{
"url": "http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html",
"type": "WEB"
},
{
"url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html",
"type": "WEB"
},
{
"url": "http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html",
"type": "WEB"
},
{
"url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html",
"type": "WEB"
},
{
"url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html",
"type": "WEB"
},
{
"url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html",
"type": "WEB"
},
{
"url": "http://www.securityfocus.com/bid/79091",
"type": "WEB"
},
{
"url": "http://www.securitytracker.com/id/1037036",
"type": "WEB"
},
{
"url": "http://www.securitytracker.com/id/1037046",
"type": "WEB"
},
{
"url": "http://www.securitytracker.com/id/1037053",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-200"
],
"severity": "MODERATE",
"github_reviewed": true,
"nvd_published_at": "2015-11-09T16:59:09Z",
"github_reviewed_at": "2020-06-16T20:58:37Z"
}
}