Multiple directory traversal vulnerabilities in FTPServer.py in pyftpdlib before 0.3.0 allow remote authenticated users to access arbitrary files and directories via vectors involving a symlink in a pathname to a (1) CWD, (2) DELE, (3) STOR, or (4) RETR command.
Vector
NETWORK
Complexity
LOW
Authentication
SINGLE_INSTANCE
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
PARTIAL
| Advisory | Patch | Confirmed | Link |
|---|---|---|---|
| http://code.google.com/p/pyftpdlib/source/browse/trunk/H... | |||
| http://code.google.com/p/pyftpdlib/issues/detail?id=55 |
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (ID 22)
Related CAPEC 7
Relative Path Traversal (CAPEC-ID 139)
Directory Traversal (CAPEC-ID 213)
File System Function Injection, Content Based (CAPEC-ID 23)
Using Slashes and URL Encoding Combined to Bypass Validation Logic (CAPEC-ID 64)
Manipulating Input to File System Calls (CAPEC-ID 76)
Using Escaped Slashes in Alternate Encoding (CAPEC-ID 78)
Using Slashes in Alternate Encoding (CAPEC-ID 79)