ghsa-3qff-43xr-cvvj
Vulnerability from github
Published
2022-05-24 17:37
Modified
2022-05-24 17:37
Details

An issue was discovered in the CasAuth extension for MediaWiki through 1.35.1. Due to improper username validation, it allowed user impersonation with trivial manipulations of certain characters within a given username. An ordinary user may be able to login as a "bureaucrat user" who has a similar username, as demonstrated by usernames that differ only in (1) bidirectional override symbols or (2) blank space.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2020-35623"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-522"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-12-21T23:15:00Z",
    "severity": "HIGH"
  },
  "details": "An issue was discovered in the CasAuth extension for MediaWiki through 1.35.1. Due to improper username validation, it allowed user impersonation with trivial manipulations of certain characters within a given username. An ordinary user may be able to login as a \"bureaucrat user\" who has a similar username, as demonstrated by usernames that differ only in (1) bidirectional override symbols or (2) blank space.",
  "id": "GHSA-3qff-43xr-cvvj",
  "modified": "2022-05-24T17:37:10Z",
  "published": "2022-05-24T17:37:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-35623"
    },
    {
      "type": "WEB",
      "url": "https://github.com/CWRUChielLab/CASAuth/pull/11"
    },
    {
      "type": "WEB",
      "url": "https://phabricator.wikimedia.org/T263498"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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