CVE-2017-7881

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.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.cdxy.me/?p=765	Exploit Third Party Advisory
https://github.com/bigtreecms/BigTree-CMS/commit/7761481ac40d83ac29fef42bc6b3c07c86694b56	Issue Tracking Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:bigtreecms:bigtree_cms:*:*:*:*:*:*:*:*

Information

Published : 2017-04-15 09:59

Updated : 2017-04-21 08:24

NVD link : CVE-2017-7881

Mitre link : CVE-2017-7881

JSON object : View

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

Products Affected

bigtreecms

bigtree_cms

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8.8 /10