ghsa-4mv7-cq75-3qjm
Vulnerability from github
Published
2018-10-17 16:27
Modified
2025-09-12 19:30
Summary
Moderate severity vulnerability that affects org.bouncycastle:bcprov-jdk14 and org.bouncycastle:bcprov-jdk15
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."

Show details on source website

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcprov-jdk15"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.51"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcprov-jdk14"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.51"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bcprov-jdk15on"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.51"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2015-7940"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T20:58:37Z",
    "nvd_published_at": "2015-11-09T16:59:09Z",
    "severity": "MODERATE"
  },
  "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.\"",
  "id": "GHSA-4mv7-cq75-3qjm",
  "modified": "2025-09-12T19:30:13Z",
  "published": "2018-10-17T16:27:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-7940"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-4mv7-cq75-3qjm"
    },
    {
      "type": "WEB",
      "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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Moderate severity vulnerability that affects org.bouncycastle:bcprov-jdk14 and org.bouncycastle:bcprov-jdk15"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.