TYPSoft FTP Server directory traversal
| typsoft-ftp-directory-traversal (6165) |  Medium Risk |
Description:
TYPSoft FTP Server could allow a remote attacker to traverse directories on the FTP server. A remote attacker can send a GET command containing "dot dot" sequences (/../), a CWD command containing modified "dot dot" sequences that use three dots instead of two (...), or LIST command containing modified "dot dot" sequences containing asterisk characters (/../../*.*) to traverse directories and view arbitrary files and directories outside of the FTP root directory.
Consequences:
File Manipulation
Remedy:
Upgrade to the latest version of TYPSoft FTP Server (0.99.13 or later), available from the TYPSoft Web site. See References.
References:
- BugTraq Mailing List, Mon May 07 2001 - 08:13:38 CDT: Vulnerabilty in TYPsoft FTP server.
- BugTraq Mailing List, Sun Apr 07 2002 - 05:26:54 CDT: Typsoft FTP Server: yet another directory traversal vulnerability.
- BugTraq Mailing List, Wed Feb 28 2001 - 17:27:57 CST: Vulnerability in TYPSoft FTP Server.
- TYPSoft Web site: TYPESoft Home Page.
- BID-2489: TYPSoft FTP Server Directory Traversal Vulnerability
- CVE-2001-0294: Directory traversal vulnerability in TYPSoft FTP Server 0.85 allows remote attackers to read arbitrary files via (1) a .. (dot dot) in a GET command, or (2) a ... in a CWD command.
- CVE-2002-0558: Directory traversal vulnerability in TYPSoft FTP server 0.97.1 and earlier allows a remote authenticated user (possibly anonymous) to list arbitrary directories via a .. in a LIST (ls) command ending in wildcard *.* characters.
- CVE-2002-1354: Directory traversal vulnerability in TYPSoft FTP Server 0.99.8 allows local users to list the contents of arbitrary directories via a ... (dot dot dot) in the cd/CWD command.
- SA7737: TYPSoft FTP Server Directory Traversal
- SECTRACK ID: 1005832: TYPSoft FTP Server Failure to Filter `...` Strings Lets Remote Users View Arbitrary Directory Listings
Platforms Affected:
- TYPSoft TYPSoft FTP Server 0.95 and prior
- TYPSoft TYPSoft FTP Server 0.97.1
- TYPSoft TYPSoft FTP Server 0.99.8
Reported:
Feb 28, 2001
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net