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
About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.
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