CVE-2017-7725 Information

Description

concrete5 8.1.0 places incorrect trust in the HTTP Host header during caching if the administrator did not define a \canonical\ URL on installation of concrete5 using the \Advanced Options\ settings. Remote attackers can make a GET request with any domain name in the Host header; this is stored and allows for arbitrary domains to be set for certain links displayed to subsequent visitors potentially an XSS vector.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

http://hyp3rlinx.altervista.org/advisories/CONCRETE5-v8.1.0-HOST-HEADER-INJECTION.txt http://www.securityfocus.com/bid/97649 https://hackerone.com/reports/148300 https://packetstormsecurity.com/files/142145/concrete5-8.1.0-Host-Header-Injection.html https://www.exploit-db.com/exploits/41885/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1