FKIE_CVE-2017-7881

Vulnerability from fkie_nvd - Published: 2017-04-15 16:59 - Updated: 2026-06-17 01:25
Severity
8.8 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
BigTree CMS through 4.2.17 relies on a substring check for CSRF protection, which allows remote attackers to bypass this check by placing the required admin/developer/ URI within a query string in an HTTP Referer header. This was found in core/admin/modules/developer/_header.php and patched in core/inc/bigtree/admin.php on 2017-04-14.
References
cve@mitre.orghttps://github.com/bigtreecms/BigTree-CMS/commit/7761481ac40d83ac29fef42bc6b3c07c86694b56Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://www.cdxy.me/?p=765Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/bigtreecms/BigTree-CMS/commit/7761481ac40d83ac29fef42bc6b3c07c86694b56Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.cdxy.me/?p=765Exploit, Third Party Advisory
Impacted products
Vendor Product Version
bigtreecms bigtree_cms *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:bigtreecms:bigtree_cms:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FD019C44-4636-45A9-A2A0-C87CB9475776",
              "versionEndIncluding": "4.2.17",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "BigTree CMS through 4.2.17 relies on a substring check for CSRF protection, which allows remote attackers to bypass this check by placing the required admin/developer/ URI within a query string in an HTTP Referer header. This was found in core/admin/modules/developer/_header.php and patched in core/inc/bigtree/admin.php on 2017-04-14."
    },
    {
      "lang": "es",
      "value": "BigTree CMS hasta la versi\u00f3n 4.2.17 se basa en una verificaci\u00f3n de subcadena para la protecci\u00f3n CSRF, lo que permite a atacantes remotos eludir esta verificaci\u00f3n colocando la requerida admin/developer/ URI dentro de una cadena de consulta en un encabezado HTTP Referer. Esto se encontr\u00f3 en core/admin/modules/developer/_header.php y fue parcheado en core/inc/bigtree/admin.php en 14-04-2017."
    }
  ],
  "id": "CVE-2017-7881",
  "lastModified": "2026-06-17T01:25:23.457",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-04-15T16:59:00.347",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/bigtreecms/BigTree-CMS/commit/7761481ac40d83ac29fef42bc6b3c07c86694b56"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.cdxy.me/?p=765"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/bigtreecms/BigTree-CMS/commit/7761481ac40d83ac29fef42bc6b3c07c86694b56"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.cdxy.me/?p=765"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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