KnFTPd FTP Server multiple commands buffer overflow
|knftpd-multiple-commands-bo (69557)||High Risk|
KnFTPd FTP Server is vulnerable to a buffer overflow, caused by improper bounds checking when processing FTP commands. By sending an overly long argument to multiple commands, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash.
No remedy available as of October 1, 2014.
- BugTraq Mailing List, Fri Sep 02 2011 - 02:31:10 CDT : KnFTPd v1.0.0 Multiple Command Remote Buffer Overflow.
- Offensive Security Exploit Database [09-12-2011]: KnFTP Server Buffer Overflow Exploit.
- Offensive Security Exploit Database [09-18-2011]: KnFTP 1.0.0 Server Multiple Buffer Overflow Exploit (DoS PoC).
- Offensive Security Exploit Database [09-19-2011]: KnFTP 1.0.0 Server - Remote Buffer Overflow Exploit, 'USER' command.
- Offensive Security Exploit Database [11-07-2011]: KnFTP 1.0 Buffer Overflow Exploit - DEP Bypass.
- SourceForge.net Web site: KnFTP.
- BID-49427: KnFTPd FTP Server Multiple Commands Remote Buffer Overflow Vulnerabilities
- CVE-2011-5166: 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.
- OSVDB ID: 75147: KnFTP Multiple FTP Command Parsing Remote Overflow
- SA45907: KnFTP FTP Command Processing Buffer Overflow Vulnerability
- KnFTP KnFTP 1.0.0
Sep 02, 2011
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.