Vulnerability-Lookup

GHSA-22WC-C9WJ-6Q2V

Vulnerability from github – Published: 2021-04-19 15:12 – Updated: 2021-04-16 23:11

Summary

VVE-2021-0001: Memory corruption using function calls within arrays

Details

Impact

When performing a function call inside an array, there is a memory corruption issue that occurs because of an incorrect pointer to the the tip of the stack.

Patches

This issue was partially fixed in VVE-2020-0004, however the fix did not update similar code for arrays, which had a similar issue. The issue is fully fixed in https://github.com/vyperlang/vyper/pull/2345

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "vyper"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.2.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-129"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-04-16T23:11:53Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "### Impact\nWhen performing a function call inside an array, there is a memory corruption issue that occurs because of an incorrect pointer to the the tip of the stack.\n\n### Patches\nThis issue was partially fixed in [VVE-2020-0004](https://github.com/vyperlang/vyper/security/advisories/GHSA-2r3x-4mrv-mcxf), however the fix did not update similar code for arrays, which had a similar issue. The issue is fully fixed in https://github.com/vyperlang/vyper/pull/2345",
  "id": "GHSA-22wc-c9wj-6q2v",
  "modified": "2021-04-16T23:11:53Z",
  "published": "2021-04-19T15:12:05Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/vyperlang/vyper/security/advisories/GHSA-22wc-c9wj-6q2v"
    },
    {
      "type": "WEB",
      "url": "https://github.com/vyperlang/vyper/pull/2345"
    },
    {
      "type": "WEB",
      "url": "https://github.com/vyperlang/vyper/commit/11b7b5b7e59bc9dc859d51cd41a924b59fe47c9e"
    },
    {
      "type": "WEB",
      "url": "https://pypi.org/project/vyper"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "VVE-2021-0001: Memory corruption using function calls within arrays"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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