gsd-2020-25643
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2020-25643",
    "description": "A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
    "id": "GSD-2020-25643",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-25643.html",
      "https://www.debian.org/security/2020/dsa-4774",
      "https://access.redhat.com/errata/RHSA-2021:1739",
      "https://access.redhat.com/errata/RHSA-2021:1578",
      "https://access.redhat.com/errata/RHSA-2020:5441",
      "https://access.redhat.com/errata/RHSA-2020:5437",
      "https://ubuntu.com/security/CVE-2020-25643",
      "https://advisories.mageia.org/CVE-2020-25643.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2020-25643.html",
      "https://linux.oracle.com/cve/CVE-2020-25643.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      "id": "GSD-2020-25643",
      "modified": "2023-12-13T01:21:57.102906Z",
      "schema_version": "1.4.0"
    }
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      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 6.8,
          "impactScore": 8.5,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.2,
          "impactScore": 5.9
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      },
      "lastModifiedDate": "2023-05-16T10:48Z",
      "publishedDate": "2020-10-06T14:15Z"
    }
  }
}


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