ubuntu-cve-2019-12300
Vulnerability from osv_ubuntu
Published
2019-05-23 15:30
Modified
2025-10-24 04:47
Summary
Details

Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "buildbot",
            "binary_version": "1.1.1-3ubuntu5"
          },
          {
            "binary_name": "buildbot-slave",
            "binary_version": "1.1.1-3ubuntu5"
          },
          {
            "binary_name": "python3-buildbot",
            "binary_version": "1.1.1-3ubuntu5"
          },
          {
            "binary_name": "python3-buildbot-worker",
            "binary_version": "1.1.1-3ubuntu5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "buildbot",
        "purl": "pkg:deb/ubuntu/buildbot@1.1.1-3ubuntu5?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.8.12-3.2ubuntu2",
        "1.1.1-3ubuntu4",
        "1.1.1-3ubuntu5"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "buildbot",
            "binary_version": "2.3.1-1"
          },
          {
            "binary_name": "buildbot-slave",
            "binary_version": "2.3.1-1"
          },
          {
            "binary_name": "buildbot-worker",
            "binary_version": "2.3.1-1"
          },
          {
            "binary_name": "python3-buildbot",
            "binary_version": "2.3.1-1"
          },
          {
            "binary_name": "python3-buildbot-worker",
            "binary_version": "2.3.1-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "buildbot",
        "purl": "pkg:deb/ubuntu/buildbot@2.3.1-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.3.1-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [],
  "details": "Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.",
  "id": "UBUNTU-CVE-2019-12300",
  "modified": "2025-10-24T04:47:40Z",
  "published": "2019-05-23T15:30:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-12300"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/buildbot/buildbot/wiki/OAuth-vulnerability-in-using-submitted-authorization-token-for-authentication"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-12300"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "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": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-12300"
  ]
}



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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.
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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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