GHSA-C7PR-343R-5C46

Vulnerability from github – Published: 2021-10-06 17:48 – Updated: 2024-11-18 22:44
VLAI
Summary
missing clamps for decimal args in external functions
Details

Impact

The following code does not properly validate that its input is in bounds.

@external
def foo(x: decimal) -> decimal:
    return x

Patches

0.3.0 / #2447

Workarounds

Don't use decimal args

Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "vyper"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.3.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-41122"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-682"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-10-06T13:26:05Z",
    "nvd_published_at": "2021-10-05T23:15:00Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nThe following code does not properly validate that its input is in bounds.\n\n```python\n@external\ndef foo(x: decimal) -\u003e decimal:\n    return x\n```\n\n### Patches\n0.3.0 / #2447\n\n### Workarounds\nDon\u0027t use decimal args\n\n",
  "id": "GHSA-c7pr-343r-5c46",
  "modified": "2024-11-18T22:44:51Z",
  "published": "2021-10-06T17:48:46Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/vyperlang/vyper/security/advisories/GHSA-c7pr-343r-5c46"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41122"
    },
    {
      "type": "WEB",
      "url": "https://github.com/vyperlang/vyper/pull/2447"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/vyper/PYSEC-2021-366.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/vyperlang/vyper"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "missing clamps for decimal args in external functions"
}



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