ubuntu-cve-2016-6489
Vulnerability from osv_ubuntu
Published
2016-08-01 00:00
Modified
2026-04-22 07:38
Summary
Details

The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libhogweed2",
            "binary_version": "2.7.1-1ubuntu0.2"
          },
          {
            "binary_name": "libnettle4",
            "binary_version": "2.7.1-1ubuntu0.2"
          },
          {
            "binary_name": "nettle-bin",
            "binary_version": "2.7.1-1ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "nettle",
        "purl": "pkg:deb/ubuntu/nettle@2.7.1-1ubuntu0.2?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.7.1-1ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.7.1-1",
        "2.7.1-1ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libhogweed4",
            "binary_version": "3.2-1ubuntu0.16.04.1"
          },
          {
            "binary_name": "libnettle6",
            "binary_version": "3.2-1ubuntu0.16.04.1"
          },
          {
            "binary_name": "nettle-bin",
            "binary_version": "3.2-1ubuntu0.16.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "nettle",
        "purl": "pkg:deb/ubuntu/nettle@3.2-1ubuntu0.16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2-1ubuntu0.16.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.1-4",
        "3.2-1"
      ]
    }
  ],
  "aliases": [],
  "details": "The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.",
  "id": "UBUNTU-CVE-2016-6489",
  "modified": "2026-04-22T07:38:01Z",
  "published": "2016-08-01T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2016-6489"
    },
    {
      "type": "REPORT",
      "url": "https://lists.lysator.liu.se/pipermail/nettle-bugs/2016/003093.html"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2016/07/30/2"
    },
    {
      "type": "REPORT",
      "url": "https://eprint.iacr.org/2016/596.pdf"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3193-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-6489"
    }
  ],
  "related": [
    "USN-3193-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2016-6489"
  ]
}



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Nomenclature

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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