GHSA-c7pr-343r-5c46
Vulnerability from github
Published
2021-10-06 17:48
Modified
2024-11-18 22:44
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
Summary
missing clamps for decimal args in external functions
Details

Impact

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

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

Patches

0.3.0 / #2447

Workarounds

Don't use decimal args

Show details on source website

To clipboard 

{
   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) -> decimal:\n    return x\n```\n\n### Patches\n0.3.0 / #2447\n\n### Workarounds\nDon't 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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