ghsa-4mv7-cq75-3qjm
Vulnerability from github
Published
2018-10-17 16:27
Modified
2020-06-16 20:58
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."

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{
   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",
            },
         ],
      },
   ],
   aliases: [
      "CVE-2015-7940",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-200",
      ],
      github_reviewed: true,
      github_reviewed_at: "2020-06-16T20:58:37Z",
      nvd_published_at: null,
      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: "2020-06-16T20:58:37Z",
   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",
}


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