gsd-2021-20271
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability.
Aliases
Aliases
CVE-2021-20271


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-20271",
    "description": "A flaw was found in RPM\u0027s signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability.",
    "id": "GSD-2021-20271",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-20271.html",
      "https://access.redhat.com/errata/RHSA-2021:4975",
      "https://access.redhat.com/errata/RHSA-2021:4785",
      "https://access.redhat.com/errata/RHSA-2021:4771",
      "https://access.redhat.com/errata/RHBA-2021:2854",
      "https://access.redhat.com/errata/RHSA-2021:2791",
      "https://access.redhat.com/errata/RHSA-2021:2574",
      "https://advisories.mageia.org/CVE-2021-20271.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2021-20271.html",
      "https://linux.oracle.com/cve/CVE-2021-20271.html",
      "https://ubuntu.com/security/CVE-2021-20271"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-20271"
      ],
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      "id": "GSD-2021-20271",
      "modified": "2023-12-13T01:23:12.515147Z",
      "schema_version": "1.4.0"
    }
  },
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    },
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "HIGH",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.1,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 4.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.0,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-02-12T22:15Z",
      "publishedDate": "2021-03-26T17:15Z"
    }
  }
}


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