CVE-2011-5166

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• KnFTP 1.0.0 Server - 'USER' Remote Buffer Overflow2011-09-19 · remote · windows · Verified
• KnFTP 1.0.0 Server - Multiple Buffer Overflows (PoC) (SEH)2011-09-18 · dos · windows · Verified
• KnFTP Server - Remote Buffer Overflow2011-09-12 · remote · windows · Verified
• KnFTP 1.0 - Remote Buffer Overflow (DEP Bypass) (Metasploit)2011-11-07 · remote · windows

Impact

Multiple stack-based buffer overflows in KnFTP 1.0.0 allow remote attackers to execute arbitrary code via a long string to the (1) USER, (2) PASS, (3) REIN, (4) QUIT, (5) PORT, (6) PASV, (7) TYPE, (8) STRU, (9) MODE, (10) RETR, (11) STOR, (12) APPE, (13) ALLO, (14) REST, (15) RNFR, (16) RNTO, (17) ABOR, (18) DELE, (19) CWD, (20) LIST, (21) NLST, (22) SITE, (23) STST, (24) HELP, (25) NOOP, (26) MKD, (27) RMD, (28) PWD, (29) CDUP, (30) STOU, (31) SNMT, (32) SYST, and (33) XPWD commands.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://archives.neohapsis.com/archives/bugtraq/2011-09/0015.html
• http://secunia.com/advisories/45907
• http://www.exploit-db.com/exploits/17819
• http://www.exploit-db.com/exploits/17856
• http://www.exploit-db.com/exploits/17870
• http://www.exploit-db.com/exploits/18089
• http://www.osvdb.org/75147
• https://exchange.xforce.ibmcloud.com/vulnerabilities/69557
• http://archives.neohapsis.com/archives/bugtraq/2011-09/0015.html
• http://secunia.com/advisories/45907
• http://www.exploit-db.com/exploits/17819
• http://www.exploit-db.com/exploits/17856
• http://www.exploit-db.com/exploits/17870
• http://www.exploit-db.com/exploits/18089
• http://www.osvdb.org/75147
• https://exchange.xforce.ibmcloud.com/vulnerabilities/69557