Trend Micro OfficeScan v11.0 and XG (12.0)* (MITM) Remote Code Execution

2017.09.29
Credit: hyp3rlinx
Risk: High
Local: No
Remote: Yes
CWE: N/A


CVSS Base Score: 6.8/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

[+] Credits: John Page (aka hyp3rlinx) [+] Website: hyp3rlinx.altervista.org [+] Source: http://hyp3rlinx.altervista.org/advisories/CVE-2017-14084-TRENDMICRO-OFFICESCAN-XG-CURL-MITM-REMOTE-CODE-EXECUTION.txt [+] ISR: ApparitionSec Vendor: ================== www.trendmicro.com Product: ======== OfficeScan v11.0 and XG (12.0)* OfficeScan protects enterprise networks from malware, network viruses, web-based threats, spyware, and mixed threat attacks. An integrated solution, OfficeScan consists of the OfficeScan agent program that resides at the endpoint and a server program that manages all agents. The OfficeScan agent guards the endpoint and reports its security status to the server. The server, through the web-based management console, makes it easy to set coordinated security policies and deploy updates to every agent. Vulnerability Type: =================== Man-in-the-Middle (MITM) Remote Code Execution CVE Reference: ============== CVE-2017-14084 Security Issue: =============== MITM vector exists as the CURL request used by Send() function in "HttpTalk.php" has both CURLOPT_SSL_VERIFYPEER and CURLOPT_SSL_VERIFYHOST set to false. CURLOPT_SSL_VERIFYPEER checks if remote certificate is valid and that you trust was issued by a CA you trust and it's genuine. CURLOPT_SSL_VERIFYHOST checks that the cert was issued to the entity you want to talk to... References: =========== https://success.trendmicro.com/solution/1118372 Vulnerable code snippet... curl_setopt($this->_objcurlHandle, CURLOPT_FOLLOWLOCATION,false); curl_setopt($this->_objcurlHandle, CURLOPT_RETURNTRANSFER,true); curl_setopt($this->_objcurlHandle, CURLOPT_HEADER, true); curl_setopt($this->_objcurlHandle, CURLOPT_SSL_VERIFYHOST, 0); <=================== HERE curl_setopt($this->_objcurlHandle, CURLOPT_SSL_VERIFYPEER, 0); <==================== THERE Network Access: =============== Remote Severity: ========= High Disclosure Timeline: ================================= Vendor Notification: May 31, 2017 Vendor releases fixes / advisory : September 27, 2017 September 28, 2017 : Public Disclosure [+] Disclaimer The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. All content (c). hyp3rlinx


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