Full Disclosure mailing list archives
[Advisory] Phishing Vulnerability in Verisign Network
From: Aditya K Sood <zeroknock () secniche org>
Date: Sat, 14 Jul 2007 08:03:35 -0700
Advisory : Phishing Vulnerability in Verisign Network Dated : 5 July 2007 Severity : Critical Explanation: The Verisign Secured Network and Verisign Weblogs network is vulnerable to phishing . The problem persists in the redirection links present which allows third party redirection. The cause : 1. Redirection of traffic directly without visiting website. 2. The website wont check the link that is being called by the phisher. 3. Third party linking is possible. 4. Looping attack is also possible. The vulnerable links are: 1. http://www.verisignsecured.com/Redirect.aspx?[ website name ] 2. http://www.weblogs.com/clickthru?url=[website name] It is considered as vulnerable because the clickthru parameter can be initialised to any website not related to main website links respectively. Examples: 1]http://www.weblogs.com/clickthru?url=http://www.unep.org/Documents.Multilingual/Default.asp?DocumentID=' 2]http://www.weblogs.com/clickthru?url=http://www.weblogs.com/clickthru?url=http://www.pewinternet.org/report_display.asp?r=');-- 3]http://www.verisignsecured.com/Redirect.aspx?http://www.unep.org/Documents.Multilingual/Default.asp?DocumentID=' 4]http://www.verisignsecured.com/Redirect.aspx?http://www.weblogs.com/clickthru?url=http://www.weblogs.com/clickthru?url=http://www.pewinternet.org/report_display.asp?r=');-- 5]http://www.verisignsecured.com/Redirect.aspx?http://www.weblogs.com/clickthru?url=http://www.weblogs.com/clickthru?url=http://www.weblogs.com/clickthru?url=http://www.google.com Vendor Status : Reported. Regards Aditya K Sood http://www.secniche.org _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
Current thread:
- [Advisory] Phishing Vulnerability in Verisign Network Aditya K Sood (Jul 12)
- Re: [Advisory] Phishing Vulnerability in Verisign Network Tonu Samuel (Jul 15)
- <Possible follow-ups>
- [Advisory] Phishing Vulnerability in Verisign Network Aditya K Sood (Jul 13)