UnRAR before 5.5.7 allows remote attackers to bypass a directory-traversal protection mechanism via vectors involving a symlink to the . directory, a symlink to the .. directory, and a regular file.
Vector
NETWORK
Complexity
LOW
Authentication
NONE
Confidentiality
PARTIAL
Integrity
NONE
Availability
NONE
| Advisory | Patch | Confirmed | Link |
|---|---|---|---|
| http://seclists.org/oss-sec/2017/q3/290 |
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)