Path Equivalence: 'file...name' (Multiple Internal Dot)

Opis

The product accepts path input in the form of multiple internal dot ('file...dir') 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.

Skutki

• Confidentiality, Integrity

  Read Files or Directories; Modify Files or Directories

Słabość nadrzędna

• CWE-44 Path Equivalence: 'file.name' (Internal Dot)
• CWE-165 Improper Neutralization of Multiple Internal Special Elements

Kiedy powstaje

• Implementation

Dotyczy

Not Language-Specific

Uwagi

An improper attempt to remove the internal dots from the string could lead to CWE-181 (Incorrect Behavior Order: Validate Before Filter).