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TITLE:
SurgeFTP Denial of Service and Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA26061

VERIFY ADVISORY:
http://secunia.com/advisories/26061/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting, DoS

WHERE:
>From remote

SOFTWARE:
SurgeFTP 2.x
http://secunia.com/product/2927/

DESCRIPTION:
Nico Leidecker has reported some vulnerabilities in SurgeFTP, which
can be exploited by malicious people to conduct script insertion
attacks and cause a DoS (Denial of Service).

1) SurgeFTP does not handle malformed responses to the "PASV" command
correctly when connecting to a mirrored server. This can be exploited
to crash the service by sending specially crafted responses to the
"PASV" command.

2) The web interface of SurgeFTP does not properly sanitise certain
status messages before using them. This can be exploited to execute
arbitrary HTML and script code in an administrators browser session
in context of the web interface by sending specially crafted status
messages that do not start with a numeric value.

The vulnerabilities are reported in version 2.3a1. Other versions may
also be affected.

SOLUTION:
Reportedly, the vulnerabilities have been fixed. Contact the vendor
for further details.

PROVIDED AND/OR DISCOVERED BY:
Nico Leidecker, Portcullis Computer Security Ltd.

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20070710/98374694/attachment-0030.txt
http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20070710/98374694/attachment-0031.txt

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