GHSA-gh8j-2pgf-x458
Vulnerability from github
Published
2021-09-13 20:05
Modified
2024-10-26 18:35
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
Infinite Loop in rencode
Details

The rencode package through 1.0.6 for Python allows an infinite loop in typecode decoding (such as via ;\x2f\x7f), enabling a remote attack that consumes CPU and memory.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "rencode"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.0.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-40839"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-835"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-09-13T19:11:37Z",
    "nvd_published_at": "2021-09-10T02:15:00Z",
    "severity": "HIGH"
  },
  "details": "The rencode package through 1.0.6 for Python allows an infinite loop in typecode decoding (such as via ;\\x2f\\x7f), enabling a remote attack that consumes CPU and memory.",
  "id": "GHSA-gh8j-2pgf-x458",
  "modified": "2024-10-26T18:35:18Z",
  "published": "2021-09-13T20:05:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-40839"
    },
    {
      "type": "WEB",
      "url": "https://github.com/aresch/rencode/pull/29"
    },
    {
      "type": "WEB",
      "url": "https://github.com/aresch/rencode/commit/572ff74586d9b1daab904c6f7f7009ce0143bb75"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-gh8j-2pgf-x458"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/aresch/rencode"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/rencode/PYSEC-2021-345.yaml"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BMVQRPDVSVZNGGX57CFKCYT3DEYO4QB6"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MCLETLGVM5DBX6QNHQFW6TWGO5T3DENY"
    },
    {
      "type": "WEB",
      "url": "https://pypi.org/project/rencode/#history"
    },
    {
      "type": "WEB",
      "url": "https://seclists.org/fulldisclosure/2021/Sep/16"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20211008-0001"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Infinite Loop in rencode"
}


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