Secunia Security Advisory - John Harwold has discovered a vulnerability in Ipswitch WS_FTP Server, which can be exploited by malicious users to conduct script insertion attacks.
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TITLE:
Ipswitch WS_FTP Server Script Insertion Vulnerability
SECUNIA ADVISORY ID:
SA26529
VERIFY ADVISORY:
http://secunia.com/advisories/26529/
CRITICAL:
Moderately critical
IMPACT:
Cross Site Scripting
WHERE:
>From remote
SOFTWARE:
WS_FTP Server 6.x
http://secunia.com/product/14782/
DESCRIPTION:
John Harwold has discovered a vulnerability in Ipswitch WS_FTP
Server, which can be exploited by malicious users to conduct script
insertion attacks.
Parameters passed to valid FTP commands are not properly sanitised
before the command is logged. This can be exploited to insert
arbitrary HTML and script code, which is executed in the
administrator's browser session in context of the administrative web
interface when the malicious logs are viewed.
The vulnerability is confirmed in WS_FTP Server 6. Other versions may
also be affected.
SOLUTION:
Restrict access to the WS_FTP server to trusted users only.
PROVIDED AND/OR DISCOVERED BY:
John Harwold, VDA Labs
ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-August/065441.html
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