ghsa-5868-g58j-vrj5
Vulnerability from github
Published
2022-05-13 01:44
Modified
2024-04-24 18:14
Severity ?
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
phpMyAdmin Improper Privilege Management
Details

An issue was discovered in libraries/common.inc.php in phpMyAdmin 4.0 before 4.0.10.20, 4.4.x, 4.6.x, and 4.7.0 prereleases. The restrictions caused by $cfg['Servers'][$i]['AllowNoPassword'] = false are bypassed under certain PHP versions (e.g., version 5). This can allow the login of users who have no password set even if the administrator has set $cfg['Servers'][$i]['AllowNoPassword'] to false (which is also the default). This occurs because some implementations of the PHP substr function return false when given '' as the first argument.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "phpmyadmin/phpmyadmin"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0"
            },
            {
              "fixed": "4.0.10.20"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "phpmyadmin/phpmyadmin"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.7.0-beta1"
            },
            {
              "fixed": "4.7.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "phpmyadmin/phpmyadmin"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.4.0"
            },
            {
              "last_affected": "4.4.15.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "phpmyadmin/phpmyadmin"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.6.0"
            },
            {
              "last_affected": "4.6.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2017-18264"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-04-24T18:14:02Z",
    "nvd_published_at": "2018-05-01T17:29:00Z",
    "severity": "CRITICAL"
  },
  "details": "An issue was discovered in libraries/common.inc.php in phpMyAdmin 4.0 before 4.0.10.20, 4.4.x, 4.6.x, and 4.7.0 prereleases. The restrictions caused by $cfg[\u0027Servers\u0027][$i][\u0027AllowNoPassword\u0027] = false are bypassed under certain PHP versions (e.g., version 5). This can allow the login of users who have no password set even if the administrator has set $cfg[\u0027Servers\u0027][$i][\u0027AllowNoPassword\u0027] to false (which is also the default). This occurs because some implementations of the PHP substr function return false when given \u0027\u0027 as the first argument.",
  "id": "GHSA-5868-g58j-vrj5",
  "modified": "2024-04-24T18:14:02Z",
  "published": "2022-05-13T01:44:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18264"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/phpmyadmin/composer"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00006.html"
    },
    {
      "type": "WEB",
      "url": "https://www.phpmyadmin.net/security/PMASA-2017-8"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/97211"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "phpMyAdmin Improper Privilege Management"
}


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