fkie_cve-2021-26910
Vulnerability from fkie_nvd
Published
2021-02-08 20:15
Modified
2024-11-21 05:57
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation.
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/02/09/1Exploit, Mailing List, Patch, Third Party Advisory
cve@mitre.orghttps://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834bPatch, Third Party Advisory
cve@mitre.orghttps://github.com/netblue30/firejail/releases/tag/0.9.64.4Release Notes, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2021/02/msg00015.htmlThird Party Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/202105-19Third Party Advisory
cve@mitre.orghttps://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/Exploit, Third Party Advisory
cve@mitre.orghttps://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txtExploit, Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2021/dsa-4849Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/02/09/1Exploit, Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834bPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/netblue30/firejail/releases/tag/0.9.64.4Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/02/msg00015.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202105-19Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txtExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4849Third Party Advisory
Impacted products
Vendor Product Version
firejail_project firejail *
debian debian_linux 9.0
debian debian_linux 10.0


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:firejail_project:firejail:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4457E838-C33E-4AEA-842B-8A155CC63213",
              "versionEndExcluding": "0.9.64.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation."
    },
    {
      "lang": "es",
      "value": "Firejail versiones anteriores a 0.9.64.4, permite a atacantes omitir las restricciones de acceso previstas porque se presenta una condici\u00f3n de carrera TOCTOU entre una operaci\u00f3n de estad\u00edstica y una operaci\u00f3n de montaje OverlayFS"
    }
  ],
  "id": "CVE-2021-26910",
  "lastModified": "2024-11-21T05:57:01.223",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "cve@mitre.org",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-02-08T20:15:13.090",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2021/02/09/1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://github.com/netblue30/firejail/releases/tag/0.9.64.4"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202105-19"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2021/dsa-4849"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2021/02/09/1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
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      ],
      "url": "https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
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      "url": "https://github.com/netblue30/firejail/releases/tag/0.9.64.4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://security.gentoo.org/glsa/202105-19"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2021/dsa-4849"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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