usn-2771-1
Vulnerability from osv_ubuntu
Published
2015-10-15 20:08
Modified
2026-04-22 07:36
Summary
click vulnerability
Details

It was discovered that click did not properly perform input sanitization during click package installation. If a user were tricked into installing a crafted click package, a remote attacker could exploit this to escalate privileges by tricking click into installing lenient security policy for the installed application.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2015-8768",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "critical",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "click",
            "binary_version": "0.4.21.1ubuntu0.2"
          },
          {
            "binary_name": "gir1.2-click-0.4",
            "binary_version": "0.4.21.1ubuntu0.2"
          },
          {
            "binary_name": "libclick-0.4-0",
            "binary_version": "0.4.21.1ubuntu0.2"
          },
          {
            "binary_name": "packagekit-plugin-click",
            "binary_version": "0.4.21.1ubuntu0.2"
          },
          {
            "binary_name": "python3-click",
            "binary_version": "0.4.21.1ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "click",
        "purl": "pkg:deb/ubuntu/click@0.4.21.1ubuntu0.2?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.4.21.1ubuntu0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.4.11",
        "0.4.12",
        "0.4.13",
        "0.4.14",
        "0.4.15",
        "0.4.16",
        "0.4.17.2",
        "0.4.18.1",
        "0.4.18.3",
        "0.4.19",
        "0.4.20",
        "0.4.21.1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that click did not properly perform input sanitization\nduring click package installation. If a user were tricked into installing a\ncrafted click package, a remote attacker could exploit this to escalate\nprivileges by tricking click into installing lenient security policy for\nthe installed application.\n",
  "id": "USN-2771-1",
  "modified": "2026-04-22T07:36:32Z",
  "published": "2015-10-15T20:08:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2771-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-8768"
    },
    {
      "type": "REPORT",
      "url": "https://launchpad.net/bugs/1506467"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "click vulnerability",
  "upstream": [
    "UBUNTU-CVE-2015-8768"
  ]
}



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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

Author Source Type Date Other

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.