rust.lang.security.current-exe.current-exe

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LGPL Commons Clause
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current_exe should not be used for security operations. From the docs: "The output of this function should not be trusted for anything that might have security implications. Basically, if users can run the executable, they can change the output arbitrarily."

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Defintion

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rules:
  - id: current-exe
    message: 'current_exe should not be used for security operations. From the docs:
      "The output of this function should not be trusted for anything that might
      have security implications. Basically, if users can run the executable,
      they can change the output arbitrarily."'
    pattern: std::env::current_exe()
    metadata:
      references:
        - https://doc.rust-lang.org/stable/std/env/fn.current_exe.html#security
      technology:
        - rust
      category: security
      cwe: "CWE-807: Reliance on Untrusted Inputs in a Security Decision"
      confidence: HIGH
      likelihood: LOW
      impact: LOW
      subcategory: audit
      license: Commons Clause License Condition v1.0[LGPL-2.1-only]
    languages:
      - rust
    severity: INFO

Examples

current-exe.rs

use std::env;

// ruleid: current-exe
let exe = env::current_exe()