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Date: Mon, 29 Jun 2015 12:04:36 +0200 From: Oliver-Tobias Ripka <otr@...kcay.de> To: fulldisclosure@...lists.org Subject: [FD] CollabNet Subversion Edge missing brute force protection # Vuln Title: The CollabNet Subversion Edge does not protect against brute # forcing accounts # # Date: 28.06.2015 # Author: otr # Software Link: https://www.open.collab.net/downloads/svnedge # Vendor: CollabNet # Version: 4.0.11 # Tested on: Fedora Linux # Type: Lack of defensive measures # # Risk: Medium # Status: public/fixed # Fixed versions: 5.0 Timeline: 2014-10-09 Flaw Discovered 2014-10-20 Vendor contacted 2014-10-21 Vendor response 2014-12-08 Vendor fix proposal 2014-12-08 Extension of embargo to 19.4.2015 2015-05-04 Extension of embargo until release of version 5.0 2015-05-18 Release of version 5.0 and public disclosure Summary: The CollabNet Subversion Edge Management Frontend does not protect against brute forcing accounts. An attacker has infinite tries to guess a valid user password. Fix proposal: Implement user specific time penalities or lock outs after a certain amount of failed logins and provide configuration options for that feature. Vendor fix: Invalid logins now cause an exponential increase in response time. The rate of increase and maximum is configurable with the default settings of 1 minute wait time after 15 invalid logins in 5 minutes. _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
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