Vulnerability-Lookup

ubuntu-cve-2023-3893

Vulnerability from osv_ubuntu

Published

2023-11-03 18:15

Modified

2025-08-05 04:53

Summary

Details

A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes running kubernetes-csi-proxy may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes running kubernetes-csi-proxy.

Severity

8.8 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-3893	REPORT
	https://www.cve.org/CVERecord?id=CVE-2023-3893	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "kubernetes",
        "purl": "pkg:deb/ubuntu/kubernetes@1.0?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "kubernetes",
        "purl": "pkg:deb/ubuntu/kubernetes@1.0?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "kubernetes",
        "purl": "pkg:deb/ubuntu/kubernetes@1.0?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0"
      ]
    }
  ],
  "aliases": [],
  "details": "A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes running kubernetes-csi-proxy may be able to  escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes running kubernetes-csi-proxy.",
  "id": "UBUNTU-CVE-2023-3893",
  "modified": "2025-08-05T04:53:06Z",
  "published": "2023-11-03T18:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-3893"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3893"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-3893"
  ],
  "withdrawn": "2025-08-28T17:07:07Z"
}

CVE-2023-3893 (GCVE-0-2023-3893)

Vulnerability from cvelistv5 – Published: 2023-11-03 17:34 – Updated: 2025-02-13 17:02

Title

Kubernetes - csi-proxy - Insufficient input sanitization leads to privilege escalation

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-20 - Improper Input Validation

Assigner

kubernetes

References

3 references

URL	Tags
https://github.com/kubernetes/kubernetes/issues/119594	issue-tracking
https://groups.google.com/g/kubernetes-security-a…	mailing-list
https://security.netapp.com/advisory/ntap-2023122…

Impacted products

1 product

Vendor	Product	Version
Kubernetes	csi-proxy	Affected: v2.0.0-alpha.0 Affected: 0 , ≤ v1.1.2 (semver) Unaffected: v2.0.0-alpha.1 Unaffected: v1.1.3

Date Public

2023-08-23 04:00

Credits

James Sturtevant Mark Rossetti

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:08:50.687Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://github.com/kubernetes/kubernetes/issues/119594"
          },
          {
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://groups.google.com/g/kubernetes-security-announce/c/lWksE2BoCyQ"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20231221-0004/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "csi-proxy",
          "repo": "https://github.com/kubernetes-csi/csi-proxy",
          "vendor": "Kubernetes",
          "versions": [
            {
              "status": "affected",
              "version": "v2.0.0-alpha.0"
            },
            {
              "lessThanOrEqual": "v1.1.2",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "v2.0.0-alpha.1"
            },
            {
              "status": "unaffected",
              "version": "v1.1.3"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "James Sturtevant"
        },
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Mark Rossetti"
        }
      ],
      "datePublic": "2023-08-23T04:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A security issue was discovered in Kubernetes where a user that can \ncreate pods on Windows nodes running kubernetes-csi-proxy may be able to\n escalate to admin privileges on those nodes. Kubernetes clusters are \nonly affected if they include Windows nodes running \nkubernetes-csi-proxy.\u003cbr\u003e"
            }
          ],
          "value": "A security issue was discovered in Kubernetes where a user that can \ncreate pods on Windows nodes running kubernetes-csi-proxy may be able to\n escalate to admin privileges on those nodes. Kubernetes clusters are \nonly affected if they include Windows nodes running \nkubernetes-csi-proxy."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-12-21T22:06:31.726Z",
        "orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
        "shortName": "kubernetes"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/kubernetes/kubernetes/issues/119594"
        },
        {
          "tags": [
            "mailing-list"
          ],
          "url": "https://groups.google.com/g/kubernetes-security-announce/c/lWksE2BoCyQ"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20231221-0004/"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "title": "Kubernetes - csi-proxy - Insufficient input sanitization leads to privilege escalation",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
    "assignerShortName": "kubernetes",
    "cveId": "CVE-2023-3893",
    "datePublished": "2023-11-03T17:34:10.188Z",
    "dateReserved": "2023-07-24T20:24:06.695Z",
    "dateUpdated": "2025-02-13T17:02:36.473Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

ubuntu-cve-2023-3893

Vulnerability from osv_ubuntu

CVE-2023-3893 (GCVE-0-2023-3893)

Tags

Sightings

Nomenclature