CWE-42 — Path Equivalence: 'filename.' (Trailing Dot)
CWE-42: Path Equivalence: 'filename.' (Trailing Dot)
MITRE CWE weakness
| Kind | Weakness |
| Abstraction | Variant |
| Status | Incomplete |
| Likelihood of exploit | — |
Description
The product accepts path input in the form of trailing dot ('filedir.') without appropriate validation, which can lead to ambiguous path resolution and allow an attacker to traverse the file system to unintended locations or access arbitrary files.
Common consequences
- Access Control: Bypass Protection Mechanism
Mitigations
(none listed)
References
- CWE page: https://cwe.mitre.org/data/definitions/42.html
- CWE list: https://cwe.mitre.org/data/index.html