USN-3520-1 (UBUNTU-CVE-2017-1000433)

Vulnerability from osv_ubuntu – Published: 2018-01-08 16:19 – Updated: 2026-02-10 04:41 – Source website
VLAI
Summary
python-pysaml2 vulnerability
Details

It was discovered that PySAML2 incorrectly accepted any password when run with python optimizations enabled. An attacker could use this issue to authenticate as any user without a valid password.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2017-1000433",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python-pysaml2",
            "binary_version": "3.0.0-3ubuntu1.16.04.3"
          },
          {
            "binary_name": "python3-pysaml2",
            "binary_version": "3.0.0-3ubuntu1.16.04.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "python-pysaml2",
        "purl": "pkg:deb/ubuntu/python-pysaml2@3.0.0-3ubuntu1.16.04.3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.0-3ubuntu1.16.04.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.4.0-0ubuntu2",
        "3.0.0-3ubuntu1",
        "3.0.0-3ubuntu1.16.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that PySAML2 incorrectly accepted any password when run\nwith python optimizations enabled. An attacker could use this issue to\nauthenticate as any user without a valid password.\n",
  "id": "USN-3520-1",
  "modified": "2026-02-10T04:41:16Z",
  "published": "2018-01-08T16:19:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3520-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-1000433"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "python-pysaml2 vulnerability",
  "upstream": [
    "UBUNTU-CVE-2017-1000433"
  ]
}



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