rustsec-2023-0032
Vulnerability from osv_rustsec
Published
2023-03-22 12:00
Modified
2023-06-13 13:10
Summary
Unsound FFI: Wrong API usage causes write past allocated area
Details

The following usage causes undefined behavior.

let kp: ntru::types::KeyPair = …;
kp.get_public().export(Default::default())

When compiled with debug assertions, the code above will trigger a attempt to subtract with overflow panic before UB occurs. Other mistakes (e.g. using EncParams from a different key) may always trigger UB.

Likely, older versions of this crate are also affected, but have not been tested.

To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "categories": [
          "memory-corruption"
        ],
        "cvss": null,
        "informational": "unsound"
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [
            "ntru::types::PrivateKey::export",
            "ntru::types::PublicKey::export"
          ],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "ntru",
        "purl": "pkg:cargo/ntru"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [
    "GHSA-fq33-vmhv-48xh"
  ],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "The following usage causes undefined behavior.\n```rust\nlet kp: ntru::types::KeyPair = \u2026;\nkp.get_public().export(Default::default())\n```\n\nWhen compiled with debug assertions, the code above will trigger a `attempt to subtract with overflow` panic before UB occurs.\nOther mistakes (e.g. using `EncParams` from a different key) may always trigger UB.\n\nLikely, older versions of this crate are also affected, but have not been tested.",
  "id": "RUSTSEC-2023-0032",
  "modified": "2023-06-13T13:10:24Z",
  "published": "2023-03-22T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/ntru"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2023-0032.html"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/FrinkGlobal/ntru-rs/issues/8"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "Unsound FFI: Wrong API usage causes write past allocated area"
}


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