fkie_cve-2023-49721
Vulnerability from fkie_nvd
Published
2024-02-14 22:15
Modified
2024-11-21 08:33
Severity ?
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot.
References
security@ubuntu.comhttps://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137
security@ubuntu.comhttps://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139
security@ubuntu.comhttps://nvd.nist.gov/vuln/detail/CVE-2023-48733
security@ubuntu.comhttps://www.openwall.com/lists/oss-security/2024/02/14/4
af854a3a-2127-422b-91ae-364da2661108https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137
af854a3a-2127-422b-91ae-364da2661108https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139
af854a3a-2127-422b-91ae-364da2661108https://nvd.nist.gov/vuln/detail/CVE-2023-48733
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2024/02/14/4
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot."
    },
    {
      "lang": "es",
      "value": "Un valor predeterminado inseguro para permitir UEFI Shell en EDK2 se dej\u00f3 habilitado en LXD. Esto permite que un atacante residente en el sistema operativo omita el arranque seguro."
    }
  ],
  "id": "CVE-2023-49721",
  "lastModified": "2024-11-21T08:33:44.517",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "security@ubuntu.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-02-14T22:15:47.530",
  "references": [
    {
      "source": "security@ubuntu.com",
      "url": "https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137"
    },
    {
      "source": "security@ubuntu.com",
      "url": "https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139"
    },
    {
      "source": "security@ubuntu.com",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-48733"
    },
    {
      "source": "security@ubuntu.com",
      "url": "https://www.openwall.com/lists/oss-security/2024/02/14/4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-48733"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.openwall.com/lists/oss-security/2024/02/14/4"
    }
  ],
  "sourceIdentifier": "security@ubuntu.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-276"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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