{
  "id": "CVE-2021-46705",
  "sourceIdentifier": "meissner@suse.de",
  "published": "2022-03-16T10:15:08.150",
  "lastModified": "2023-03-23T17:22:58.460",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A Insecure Temporary File vulnerability in grub-once of grub2 in SUSE Linux Enterprise Server 15 SP4, openSUSE Factory allows local attackers to truncate arbitrary files. This issue affects: SUSE Linux Enterprise Server 15 SP4 grub2 versions prior to 2.06-150400.7.1. SUSE openSUSE Factory grub2 versions prior to 2.06-18.1."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Archivos Temporales no Seguros en grub-once de grub2 en SUSE Linux Enterprise Server 15 SP4, openSUSE Factory permite a atacantes locales truncar archivos arbitrarios. Este problema afecta a: SUSE Linux Enterprise Server 15 SP4 grub2 versiones anteriores a 2.06-150400.7.1. SUSE openSUSE Factory grub2 versiones anteriores a 2.06-18.1"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 2.5
      },
      {
        "source": "meissner@suse.de",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW",
          "baseScore": 5.1,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 2.5
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 2.1
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "meissner@suse.de",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-377"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.06-150400.7.1",
              "matchCriteriaId": "9A99F186-87A4-4B5F-B89D-85DDE3A4D3AD"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:o:suse:linux_enterprise_server:15:sp4:*:*:*:*:*:*",
              "matchCriteriaId": "72FDB554-E771-42DA-8B9E-DB5CB545A660"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.06-18.1",
              "matchCriteriaId": "A9DAA1E7-4D5A-497B-B138-397F86EC3D47"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:a:opensuse:factory:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E29492E1-43D8-43BF-94E3-26A762A66FAA"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1190474",
      "source": "meissner@suse.de",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Vendor Advisory"
      ]
    }
  ]
}