GHSA-4mrx-6fxm-8jpg
Vulnerability from github
Published
2022-04-20 20:31
Modified
2022-04-20 20:31
Severity ?
7.1 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Summary
Buffer Overflow in vyper
Details

Impact

Importing a function from a JSON interface which returns bytes generates bytecode which does not clamp bytes length, potentially resulting in a buffer overrun.

Patches

0.3.2 (as of https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470b)

Workarounds

Use .vy interfaces.

Show details on source website

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "vyper"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.3.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-24788"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119",
      "CWE-120"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-04-20T20:31:44Z",
    "nvd_published_at": "2022-04-13T19:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nImporting a function from a JSON interface which returns `bytes` generates bytecode which does not clamp bytes length, potentially resulting in a buffer overrun.\n\n### Patches\n0.3.2 (as of https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470b)\n\n### Workarounds\nUse .vy interfaces.",
  "id": "GHSA-4mrx-6fxm-8jpg",
  "modified": "2022-04-20T20:31:44Z",
  "published": "2022-04-20T20:31:44Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/vyperlang/vyper/security/advisories/GHSA-4mrx-6fxm-8jpg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-24788"
    },
    {
      "type": "WEB",
      "url": "https://github.com/vyperlang/vyper/commit/049dbdc647b2ce838fae7c188e6bb09cf16e470b"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/vyper/PYSEC-2022-197.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/vyperlang/vyper"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Buffer Overflow in vyper"
}


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