usn-4015-1
Vulnerability from osv_ubuntu
Published
2019-06-11 16:38
Modified
2026-04-22 07:36
Summary
dbus vulnerability
Details

Joe Vennix discovered that DBus incorrectly handled DBUS_COOKIE_SHA1 authentication. A local attacker could possibly use this issue to bypass authentication and connect to DBus servers with elevated privileges.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-12749",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "dbus",
            "binary_version": "1.10.6-1ubuntu3.4"
          },
          {
            "binary_name": "dbus-tests",
            "binary_version": "1.10.6-1ubuntu3.4"
          },
          {
            "binary_name": "dbus-user-session",
            "binary_version": "1.10.6-1ubuntu3.4"
          },
          {
            "binary_name": "dbus-x11",
            "binary_version": "1.10.6-1ubuntu3.4"
          },
          {
            "binary_name": "libdbus-1-3",
            "binary_version": "1.10.6-1ubuntu3.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "dbus",
        "purl": "pkg:deb/ubuntu/dbus@1.10.6-1ubuntu3.4?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.10.6-1ubuntu3.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.10.0-1ubuntu1",
        "1.10.4-1ubuntu2",
        "1.10.6-1ubuntu1",
        "1.10.6-1ubuntu2",
        "1.10.6-1ubuntu3",
        "1.10.6-1ubuntu3.1",
        "1.10.6-1ubuntu3.3"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-12749",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "dbus",
            "binary_version": "1.12.2-1ubuntu1.1"
          },
          {
            "binary_name": "dbus-tests",
            "binary_version": "1.12.2-1ubuntu1.1"
          },
          {
            "binary_name": "dbus-user-session",
            "binary_version": "1.12.2-1ubuntu1.1"
          },
          {
            "binary_name": "dbus-x11",
            "binary_version": "1.12.2-1ubuntu1.1"
          },
          {
            "binary_name": "libdbus-1-3",
            "binary_version": "1.12.2-1ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "dbus",
        "purl": "pkg:deb/ubuntu/dbus@1.12.2-1ubuntu1.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.12.2-1ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.10.22-1ubuntu1",
        "1.12.0-1ubuntu1",
        "1.12.2-1ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "Joe Vennix discovered that DBus incorrectly handled DBUS_COOKIE_SHA1\nauthentication. A local attacker could possibly use this issue to bypass\nauthentication and connect to DBus servers with elevated privileges.\n",
  "id": "USN-4015-1",
  "modified": "2026-04-22T07:36:37Z",
  "published": "2019-06-11T16:38:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4015-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-12749"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "dbus vulnerability",
  "upstream": [
    "UBUNTU-CVE-2019-12749"
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.