Vulnerability CVE-2011-5166
Published: 2012-09-15

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
High
KnFTP FTP Server Multiple Commands Remote Buffer Overflow
Javier Aguinaga
17.09.2012
High
KnFTP 1.0.0 Server Remote Buffer Overflow Exploit USER command
mr.pr0n
17.09.2012

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Elif keir -> Knftp 

 References:
http://xforce.iss.net/xforce/xfdb/69557
http://www.osvdb.org/75147
http://www.exploit-db.com/exploits/18089
http://www.exploit-db.com/exploits/17870
http://www.exploit-db.com/exploits/17856
http://www.exploit-db.com/exploits/17819
http://secunia.com/advisories/45907
http://archives.neohapsis.com/archives/bugtraq/2011-09/0015.html
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