[SA21932] WS_FTP Server FTP Commands Buffer Overflow Vulnerability

TITLE:
WS_FTP Server FTP Commands Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA21932

VERIFY ADVISORY:
http://secunia.com/advisories/21932/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
WS_FTP Server 5.x
http://secunia.com/product/3853/

DESCRIPTION:
A vulnerability have been reported in WS_FTP Server, which can be
exploited by malicious users to compromise a vulnerable system.

The vulnerability is due to a boundary error when parsing arguments
to the "XCRC", "XSHA1", and "XMD5" commands. This can be exploited to
cause stack-based buffer overflows via overly long command arguments.

Successful exploitation allows execution of arbitrary code.

The vulnerability has been reported in version 5.05. Other versions
may also be affected.

SOLUTION:
Apply patch.
http://ipswitch.com/support/ws_ftp-server/releases/wr505hf1.asp

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://ipswitch.com/support/ws_ftp-server/releases/wr505hf1.asp

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About:
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