CentOS Control Web Panel 0.9.8.836 Authentication Bypass

2019.07.17
Risk: High
Local: No
Remote: Yes
CWE: N/A

# Exploit Title: CWP (CentOS Control Web Panel) < 0.9.8.847 Bypass Login # Date: 6 July 2019 # Exploit Author: Pongtorn Angsuchotmetee # Vendor Homepage: https://control-webpanel.com/changelog # Software Link: Not available, user panel only available for latest version # Version: 0.9.8.836 to 0.9.8.846 # Tested on: CentOS 7.6.1810 (Core) # CVE : CVE-2019-13360, CVE-2019-13605 # ==================================================================== # Information # ==================================================================== Product : CWP Control Web Panel Vulnerability Name : User panel bypass Login version : 0.9.8.836 Fixed on : 0.9.8.848 Test on : CentOS 7.6.1810 (Core) Reference : http://centos-webpanel.com/ : https://control-webpanel.com/changelog CVE-Number : CVE-2019-13605 # ==================================================================== # Root course of the vulnerability # ==================================================================== After login success, the application will retuens base64 value and use it to authenticate again, That allow attacker to modify the response and become a user # ==================================================================== # Response format (version 0.9.8.836 to 0.9.8.837) # ==================================================================== <username>||/<username>/theme/original # CVE-2019-13360 # ==================================================================== # Steps to Reproduce Version 0.9.8.836 to 0.9.8.837 # ==================================================================== 1. Login with valid username and invalid password 2. Replace the target username in "<username>||/<username>/theme/original" 3. Convert to base64 4. Place the base64 value to HTTP response body 5. Gain access to user area # CVE-2019-13605 # ==================================================================== # Steps to Reproduce Version 0.9.8.838 to 0.9.8.846 # ==================================================================== 1. Create a testing environment 1.1 Create user as a target username 1.2 Login as the user 1.3 Save the HTTP response body (token value) 2. Login to the real target with valid username and invalid password 3. Place the value we saved from step 1.3 in HTTP response body 4. Gain access to user area *The response value format is depends on version, just replace the hole value # ==================================================================== # PoC # ==================================================================== https://github.com/i3umi3iei3ii/CentOS-Control-Web-Panel-CVE/blob/master/CVE-2019-13360.md https://github.com/i3umi3iei3ii/CentOS-Control-Web-Panel-CVE/blob/master/CVE-2019-13605.md # ==================================================================== # Timeline # ==================================================================== 2019-07-07: Discovered the bug 2019-07-07: Reported to vendor 2019-07-07: Vender accepted the vulnerability 2019-07-11: The vulnerability has been fixed 2019-07-15: Advisory published # ==================================================================== # Discovered by # ==================================================================== Pongtorn Angsuchotmetee


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