CVE-2023-5536 (GCVE-0-2023-5536)

Vulnerability from cvelistv5 – Published: 2023-12-12 01:51 – Updated: 2024-08-02 07:59
VLAI?
Summary
A feature in LXD (LP#1829071), affects the default configuration of Ubuntu Server which allows privileged users in the lxd group to escalate their privilege to root without requiring a sudo password.
Severity ?
5 (Medium)
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N
Assigner
References
Impacted products
Vendor Product Version
Canonical Ubuntu Server Unaffected: 0 , < 24.04 (semver)
Create a notification for this product.
Date Public ?
2023-12-11 00:00
Credits
Tobias Jäger
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:59:44.785Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "mitigation",
              "x_transferred"
            ],
            "url": "https://discourse.ubuntu.com/t/easy-multi-user-lxd-setup/26215/4"
          },
          {
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://ubuntu.com/security/CVE-2023-5536"
          },
          {
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1829071"
          },
          {
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5536"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "packageName": "Linux",
          "platforms": [
            "Linux"
          ],
          "product": "Ubuntu Server",
          "vendor": "Canonical",
          "versions": [
            {
              "lessThan": "24.04",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Tobias J\u00e4ger"
        }
      ],
      "datePublic": "2023-12-11T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A feature in LXD (LP#1829071), affects the default configuration of Ubuntu Server which allows privileged users in the lxd group to escalate their privilege to root without requiring a sudo password."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-12-12T01:51:08.849Z",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "tags": [
            "mitigation"
          ],
          "url": "https://discourse.ubuntu.com/t/easy-multi-user-lxd-setup/26215/4"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://ubuntu.com/security/CVE-2023-5536"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1829071"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5536"
        }
      ],
      "workarounds": [
        {
          "lang": "en",
          "value": "Remove users from lxd group and configure multi-user LXD mode.\nhttps://discourse.ubuntu.com/t/easy-multi-user-lxd-setup/26215/4"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2023-5536",
    "datePublished": "2023-12-12T01:51:08.849Z",
    "dateReserved": "2023-10-11T21:19:39.035Z",
    "dateUpdated": "2024-08-02T07:59:44.785Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-5536",
      "date": "2026-05-15",
      "epss": "0.0004",
      "percentile": "0.12336"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-5536\",\"sourceIdentifier\":\"security@ubuntu.com\",\"published\":\"2023-12-12T02:15:09.003\",\"lastModified\":\"2024-11-21T08:41:57.660\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A feature in LXD (LP#1829071), affects the default configuration of Ubuntu Server which allows privileged users in the lxd group to escalate their privilege to root without requiring a sudo password.\"},{\"lang\":\"es\",\"value\":\"Una caracter\u00edstica en LXD (LP#1829071) afecta la configuraci\u00f3n predeterminada de Ubuntu Server que permite a los usuarios privilegiados del grupo lxd escalar su privilegio a root sin requerir una contrase\u00f1a sudo.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@ubuntu.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N\",\"baseScore\":5.0,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":0.6,\"impactScore\":4.0},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":6.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":0.5,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-276\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"24.04\",\"matchCriteriaId\":\"B9B542C8-8ABA-4985-A157-8E24F43CE6DB\"}]}]}],\"references\":[{\"url\":\"https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1829071\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5536\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://discourse.ubuntu.com/t/easy-multi-user-lxd-setup/26215/4\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://ubuntu.com/security/CVE-2023-5536\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1829071\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5536\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://discourse.ubuntu.com/t/easy-multi-user-lxd-setup/26215/4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://ubuntu.com/security/CVE-2023-5536\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.