gsd-2021-40839
Vulnerability from gsd
Modified
2023-12-13 01:23
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.
Aliases
Aliases
CVE-2021-40839


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-40839",
    "description": "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": "GSD-2021-40839",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-40839.html",
      "https://security.archlinux.org/CVE-2021-40839",
      "https://advisories.mageia.org/CVE-2021-40839.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-40839"
      ],
      "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": "GSD-2021-40839",
      "modified": "2023-12-13T01:23:25.208076Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-40839",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
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      "references": {
        "reference_data": [
          {
            "name": "https://github.com/aresch/rencode/pull/29",
            "refsource": "MISC",
            "url": "https://github.com/aresch/rencode/pull/29"
          },
          {
            "name": "https://seclists.org/fulldisclosure/2021/Sep/16",
            "refsource": "MISC",
            "url": "https://seclists.org/fulldisclosure/2021/Sep/16"
          },
          {
            "name": "https://github.com/aresch/rencode/commit/572ff74586d9b1daab904c6f7f7009ce0143bb75",
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          },
          {
            "name": "https://pypi.org/project/rencode/#history",
            "refsource": "MISC",
            "url": "https://pypi.org/project/rencode/#history"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20211008-0001/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20211008-0001/"
          },
          {
            "name": "FEDORA-2022-02340931ec",
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BMVQRPDVSVZNGGX57CFKCYT3DEYO4QB6/"
          },
          {
            "name": "FEDORA-2022-1033a2718b",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MCLETLGVM5DBX6QNHQFW6TWGO5T3DENY/"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c=1.0.6",
          "affected_versions": "All versions up to 1.0.6",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-835",
            "CWE-937"
          ],
          "date": "2022-02-22",
          "description": "The rencode package for Python allows an infinite loop in typecode decoding (such as via ;\\x2f\\x7f), enabling a remote attack that consumes CPU and memory.",
          "fixed_versions": [],
          "identifier": "CVE-2021-40839",
          "identifiers": [
            "CVE-2021-40839"
          ],
          "not_impacted": "",
          "package_slug": "pypi/rencode",
          "pubdate": "2021-09-10",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Loop with Unreachable Exit Condition (Infinite Loop)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-40839"
          ],
          "uuid": "f6f7c98d-0df9-4a18-ac66-55a39a5336a7"
        }
      ]
    },
    "nvd.nist.gov": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:rencode_project:rencode:*:*:*:*:*:python:*:*",
                "cpe_name": [],
                "versionEndIncluding": "1.0.6",
                "vulnerable": true
              }
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            "operator": "OR"
          },
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            "children": [],
            "cpe_match": [
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        },
        "problemtype": {
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                  "value": "CWE-835"
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        "references": {
          "reference_data": [
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              "name": "https://github.com/aresch/rencode/pull/29",
              "refsource": "MISC",
              "tags": [
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            {
              "name": "https://github.com/aresch/rencode/commit/572ff74586d9b1daab904c6f7f7009ce0143bb75",
              "refsource": "MISC",
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              "url": "https://github.com/aresch/rencode/commit/572ff74586d9b1daab904c6f7f7009ce0143bb75"
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              "name": "https://security.netapp.com/advisory/ntap-20211008-0001/",
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            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-02-22T14:48Z",
      "publishedDate": "2021-09-10T02:15Z"
    }
  }
}


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