ghsa-6wmj-27wm-wwx6
Vulnerability from github
Published
2022-05-14 02:08
Modified
2022-05-14 02:08
Severity ?
5.9 (Medium) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Details

The diffie_hellman_sha256 function in kex.c in libssh2 before 1.7.0 improperly truncates secrets to 128 or 256 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a "bits/bytes confusion bug."

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{
  "affected": [],
  "aliases": [
    "CVE-2016-0787"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-04-13T17:59:00Z",
    "severity": "MODERATE"
  },
  "details": "The diffie_hellman_sha256 function in kex.c in libssh2 before 1.7.0 improperly truncates secrets to 128 or 256 bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a \"bits/bytes confusion bug.\"",
  "id": "GHSA-6wmj-27wm-wwx6",
  "modified": "2022-05-14T02:08:04Z",
  "published": "2022-05-14T02:08:04Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-0787"
    },
    {
      "type": "WEB",
      "url": "https://bto.bluecoat.com/security-advisory/sa120"
    },
    {
      "type": "WEB",
      "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10156"
    },
    {
      "type": "WEB",
      "url": "https://puppet.com/security/cve/CVE-2016-0787"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201606-12"
    },
    {
      "type": "WEB",
      "url": "https://www.libssh2.org/CVE-2016-0787.patch"
    },
    {
      "type": "WEB",
      "url": "https://www.libssh2.org/adv_20160223.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177980.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178573.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-03/msg00008.html"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2016/dsa-3487"
    },
    {
      "type": "WEB",
      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/82514"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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