pysec-2020-153
Vulnerability from pysec
Published
2020-04-30 23:15
Modified
2020-05-08 15:57
Details

In Wagtail before versions 2.7.2 and 2.8.2, a potential timing attack exists on pages or documents that have been protected with a shared password through Wagtail's "Privacy" controls. This password check is performed through a character-by-character string comparison, and so an attacker who is able to measure the time taken by this check to a high degree of accuracy could potentially use timing differences to gain knowledge of the password. This is understood to be feasible on a local network, but not on the public internet. Privacy settings that restrict access to pages/documents on a per-user or per-group basis (as opposed to a shared password) are unaffected by this vulnerability. This has been patched in 2.7.3, 2.8.2, 2.9.

Aliases


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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "wagtail",
        "purl": "pkg:pypi/wagtail"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.8"
            },
            {
              "fixed": "2.8.2"
            },
            {
              "introduced": "2.7"
            },
            {
              "fixed": "2.7.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.7",
        "2.7.1",
        "2.7.2",
        "2.8",
        "2.8.1"
      ]
    }
  ],
  "aliases": [
    "CVE-2020-11037",
    "GHSA-jjjr-3jcw-f8v6"
  ],
  "details": "In Wagtail before versions 2.7.2 and 2.8.2, a potential timing attack exists on pages or documents that have been protected with a shared password through Wagtail\u0027s \"Privacy\" controls. This password check is performed through a character-by-character string comparison, and so an attacker who is able to measure the time taken by this check to a high degree of accuracy could potentially use timing differences to gain knowledge of the password. This is understood to be feasible on a local network, but not on the public internet. Privacy settings that restrict access to pages/documents on a per-user or per-group basis (as opposed to a shared password) are unaffected by this vulnerability. This has been patched in 2.7.3, 2.8.2, 2.9.",
  "id": "PYSEC-2020-153",
  "modified": "2020-05-08T15:57:00Z",
  "published": "2020-04-30T23:15:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/wagtail/wagtail/security/advisories/GHSA-jjjr-3jcw-f8v6"
    }
  ]
}


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