Format string vulnerability in Ipswitch WS_FTP Professional 12 before 12.2 allows remote attackers to cause a denial of service (crash) via format string specifiers in the status code portion of an HTTP response.

References

• https://nvd.nist.gov/vuln/detail/CVE-2009-4775
• https://exchange.xforce.ibmcloud.com/vulnerabilities/53098
• http://docs.ipswitch.com/WS_FTP%20122/ReleaseNotes/English/index.htm?k_id=ipswitch_com_ftp_documents_worldwide_ws_ftp122releasenotesenglish#link23
• http://www.exploit-db.com/exploits/9607
• http://www.packetstormsecurity.org/0909-exploits/nocoolnameforawsftppoc.pl.txt
• http://www.securityfocus.com/bid/36297