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Symantec Messaging Gateway < 10.6.3-267 - Cross-Site Request Forgery Vulnerability
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# Exploit Title: CSRF # Date: August 9, 2017 # Software Link: https://www.symantec.com/products/messaging-gateway # Exploit Author: Dhiraj Mishra # Contact: http://twitter.com/mishradhiraj_ # Website: http://datarift.blogspot.in/ # CVE: CVE-2017-6328 # Category: Symantec Messaging Gateway 1. Description The Symantec Messaging Gateway can encounter an issue of cross site request forgery (also known as one-click attack and is abbreviated as CSRF or XSRF), which is a type of malicious exploit of a website where unauthorized commands are transmitted from a user that the web application trusts. A CSRF attack attempts to exploit the trust that a specific website has in a user's browser. 2. Proof of concept The SMG did not protect the logout form with csrf token, therefore i can logout any user by sending this url https://YourIPHere/brightmail/logout.do Here's an attack vector: 1) Set up a honeypot that detects SMG scans/attacks (somehow). 2) Once I get a probe, fire back a logout request. 3) Continue to logout the active user forever. It's less damaging than a traditional "hack back" but is sure to irritate the local red team to no end. It's essentially a user DoS. 3. Symantec Security Bulletin https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20170810_00 # 0day.today [2024-07-07] #