CWE-35 - Path Traversal: '.../...//'
CWE-35
- Abstraction:
- Variant
- Structure:
- Simple
- Status:
- Incomplete
- Weakness Name
Path Traversal: '.../...//'
- Description
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '.../...//' (doubled triple dot slash) sequences that can resolve to a location that is outside of that directory.
This allows attackers to traverse the file system to access files or directories that are outside of the restricted directory. The '.../...//' manipulation is useful for bypassing some path traversal protection schemes. If "../" is filtered in a sequential fashion, as done by some regular expression engines, then ".../...//" can collapse into the "../" unsafe value (CWE-182). Removing the first "../" yields "....//"; the second removal yields "../". Depending on the algorithm, the product could be susceptible to CWE-34 but not CWE-35, or vice versa.
- Common Consequences
Scope: Confidentiality, Integrity
Impact: Read Files or Directories, Modify Files or Directories
- Related Weaknesses
- Release Date:
- 2006-07-19
- Latest Modification Date:
- 2023-06-29
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