gsd-2021-3177
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to c_double.from_param. This occurs because sprintf is used unsafely.
Aliases
Aliases
CVE-2021-3177


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-3177",
    "description": "Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to c_double.from_param. This occurs because sprintf is used unsafely.",
    "id": "GSD-2021-3177",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-3177.html",
      "https://access.redhat.com/errata/RHSA-2021:3254",
      "https://access.redhat.com/errata/RHSA-2021:3252",
      "https://access.redhat.com/errata/RHSA-2021:1879",
      "https://access.redhat.com/errata/RHSA-2021:1761",
      "https://access.redhat.com/errata/RHSA-2021:1633",
      "https://ubuntu.com/security/CVE-2021-3177",
      "https://advisories.mageia.org/CVE-2021-3177.html",
      "https://security.archlinux.org/CVE-2021-3177",
      "https://alas.aws.amazon.com/cve/html/CVE-2021-3177.html",
      "https://linux.oracle.com/cve/CVE-2021-3177.html",
      "https://access.redhat.com/errata/RHSA-2022:5235"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      "id": "GSD-2021-3177",
      "modified": "2023-12-13T01:23:35.056294Z",
      "schema_version": "1.4.0"
    }
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              "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00005.html"
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              "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00013.html"
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-05-24T21:15Z",
      "publishedDate": "2021-01-19T06:15Z"
    }
  }
}


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