Ipswitch WS_FTP Server Checksum Command Parsing Buffer Overflow Vulnerabilities
September 26th, 2006
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Ipswitch WS_FTP Server. Anonymous access or authentication is required to exploit this vulnerability.
The specific flaw exists due to a lack of bounds checking during the parsing of long string arguments to the 'XCRC', 'XSHA1' and 'XMD5' commands leading to a stack overflow vulnerability. Exploitation requires valid or anonymous FTP server credentials.
Additional Details
Ipswitch has issued an update to correct this vulnerability. More details can be found at:
http://www.ipswitch.com/support/ws_ftp-server/releases/wr505hf1.asp
Disclosure Timeline
- 2006-09-01 - Vulnerability reported to vendor
- 2006-09-26 - Coordinated public release of advisory
Credit
Anonymous
