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If you have found a vulnerability, please send to our SecurityAlert Database : secalert()securityreason()com
Also if you have new ( 0-day ) exploit, please send to our ExploitAlert Archive :
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Home SecurityAlert Database |
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Topic : | Ipswitch FTP XSS leads to FTP server compromise
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SecurityAlert : 3068
CVE : CVE-2007-4555
SecurityRisk : Low (About)
Remote Exploit : Yes
Local Exploit : No
Exploit Available : No
Credit : Jared DeMott
Published : 28.08.2007
Affected Software : | Ipswitch FTP |
 Advisory Content : VDA Labs Advisory:
--------------------------
Ipswitch FTP XSS leads to FTP server compromise. The Vendor has been
notified, and given the PoC.
Synopsis:
------------
There is XSS vulnerability when the WS_FTP server logs client FTP
commands. All user commands are logged. When the FTP command is invalid
(error), special characters are converted to HTML chars (< = <, > =
><i>), and logged. However, when the FTP command is valid, there is no
</I>sanity check. Thus, it is possible to inject HTML and Javascript into
the log file.
The WS_FTP administration interface (IIS web application written in ASP)
has a view log option. When logs are viewed, it is possible to steal
the administrator cookie, or even better, DIRECTLY create a new user (or
admin) account for FTP server.
We've created a little PoC that will create a new system administrator
account when the admin view logs. The PoC is simple and injects an
<iframe> that leads to another html file that creates the new account.
Discovered by:
------------------
John Harwold, VDA Labs, LLC
Feedback :
If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com.
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