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>> Opera Browser FTP PASV Response Handling Client-Side Port Scanning Vulnerability
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Title : Opera Browser FTP PASV Response Handling Client-Side Port Scanning Vulnerability
VUPEN ID : VUPEN/ADV-2007-1075
CVE ID : CVE-2007-1563
Rated as : Low Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-03-22
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A vulnerability has been identified in Opera, which could be exploited by attackers to gain knowledge of sensitive information. This issue is due to an error when processing FTP PASV responses, which could be exploited by remote attackers to perform a rudimentary port-scan of systems inside an internal network by tricking a user into connecting to a malicious web page hosted on a specially crafted FTP server.
Affected Products
Opera version 9.10 and prior
Solution
Upgrade to Opera version 9.20 :
http://www.opera.com/download/
References
http://www.vupen.com/english/advisories/2007/1075
http://bindshell.net/papers/ftppasv
Credits
Vulnerability reported by Mark
ChangeLog
2007-03-22 : Initial release
2007-04-11 : Updated Solution
Vulnerability Management
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