usn-2896-1
Vulnerability from osv_ubuntu
Published
2016-02-15 18:04
Modified
2026-04-22 07:36
Summary
libgcrypt11, libgcrypt20 vulnerability
Details

Daniel Genkin, Lev Pachmanov, Itamar Pipman and Eran Tromer discovered that Libgcrypt was susceptible to an attack via physical side channels. A local attacker could use this attack to possibly recover private keys.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2015-7511",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libgcrypt11",
            "binary_version": "1.5.3-2ubuntu4.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "libgcrypt11",
        "purl": "pkg:deb/ubuntu/libgcrypt11@1.5.3-2ubuntu4.3?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.5.3-2ubuntu4.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.5.0-3ubuntu3",
        "1.5.3-2ubuntu1",
        "1.5.3-2ubuntu4",
        "1.5.3-2ubuntu4.1",
        "1.5.3-2ubuntu4.2"
      ]
    }
  ],
  "aliases": [],
  "details": "Daniel Genkin, Lev Pachmanov, Itamar Pipman and Eran Tromer discovered\nthat Libgcrypt was susceptible to an attack via physical side channels. A\nlocal attacker could use this attack to possibly recover private keys.\n",
  "id": "USN-2896-1",
  "modified": "2026-04-22T07:36:32Z",
  "published": "2016-02-15T18:04:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2896-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-7511"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "libgcrypt11, libgcrypt20 vulnerability",
  "upstream": [
    "UBUNTU-CVE-2015-7511"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.