Vulnerability-Lookup

ubuntu-cve-2025-32463

Vulnerability from osv_ubuntu

Published

2025-06-30 16:00

Modified

2026-01-20 05:27

Summary

Details

Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot option.

Severity

9.3 (Critical)


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

7.8 (High)


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

N/A (UNKNOWN)


                    
                      high

References

URL

Type

	https://ubuntu.com/security/CVE-2025-32463	REPORT
	https://www.cve.org/CVERecord?id=CVE-2025-32463	REPORT
	https://www.sudo.ws/security/advisories/chroot_bug/	REPORT
	https://ubuntu.com/security/notices/USN-7604-1	ADVISORY
	https://www.cisa.gov/known-exploited-vulnerabilit…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libnss-sudo",
            "binary_version": "1.9.15p5-3ubuntu5.24.04.1"
          },
          {
            "binary_name": "sudo",
            "binary_version": "1.9.15p5-3ubuntu5.24.04.1"
          },
          {
            "binary_name": "sudo-ldap",
            "binary_version": "1.9.15p5-3ubuntu5.24.04.1"
          }
        ],
        "priority_reason": "Allows local privilege escalation"
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "sudo",
        "purl": "pkg:deb/ubuntu/sudo@1.9.15p5-3ubuntu5.24.04.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.15p5-3ubuntu5.24.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.14p2-1ubuntu1",
        "1.9.15p5-3ubuntu1",
        "1.9.15p5-3ubuntu3",
        "1.9.15p5-3ubuntu4",
        "1.9.15p5-3ubuntu5"
      ]
    }
  ],
  "aliases": [],
  "details": "Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot option.",
  "id": "UBUNTU-CVE-2025-32463",
  "modified": "2026-01-20T05:27:25Z",
  "published": "2025-06-30T16:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-32463"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-32463"
    },
    {
      "type": "REPORT",
      "url": "https://www.sudo.ws/security/advisories/chroot_bug/"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7604-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    }
  ],
  "related": [
    "USN-7604-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "high",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-32463"
  ]
}

CVE-2025-32463 (GCVE-0-2025-32463)

Vulnerability from cvelistv5 – Published: 2025-06-30 00:00 – Updated: 2026-02-26 17:50

Summary

Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot option.

Severity

9.3 (Critical)


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

SSVC

Exploitation: active Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-829 - Inclusion of Functionality from Untrusted Control Sphere

Assigner

mitre

References

17 references

URL	Tags
https://www.sudo.ws/security/advisories/
https://www.sudo.ws/releases/changelog/
https://www.stratascale.com/vulnerability-alert-C…
https://www.openwall.com/lists/oss-security/2025/…
https://access.redhat.com/security/cve/cve-2025-32463
https://ubuntu.com/security/notices/USN-7604-1
https://security-tracker.debian.org/tracker/CVE-2…
https://explore.alas.aws.amazon.com/CVE-2025-32463.html
https://bugs.gentoo.org/show_bug.cgi?id=CVE-2025-32463
https://www.suse.com/support/update/announcement/…
https://www.suse.com/security/cve/CVE-2025-32463.html
https://www.secpod.com/blog/sudo-lpe-vulnerabilit…
https://www.sudo.ws/security/advisories/chroot_bug/
https://www.vicarius.io/vsociety/posts/cve-2025-3…
https://www.vicarius.io/vsociety/posts/cve-2025-3…
https://iototsecnews.jp/2025/07/01/linux-sudo-chr…	exploit
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version
Sudo project	Sudo	Affected: 1.9.14 , < 1.9.17p1 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-32463",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-27T03:55:22.188746Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2025-09-29",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32463"
              },
              "type": "kev"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-26T17:50:20.931Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://iototsecnews.jp/2025/07/01/linux-sudo-chroot-vulnerability-enables-hackers-to-elevate-privileges-to-root/"
          },
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32463"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2025-09-29T00:00:00.000Z",
            "value": "CVE-2025-32463 added to CISA KEV"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Sudo",
          "vendor": "Sudo project",
          "versions": [
            {
              "lessThan": "1.9.17p1",
              "status": "affected",
              "version": "1.9.14",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "1.9.17p1",
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                  "vulnerable": true
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      "metrics": [
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          "cvssV3_1": {
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-829",
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      "references": [
        {
          "url": "https://www.sudo.ws/security/advisories/"
        },
        {
          "url": "https://www.sudo.ws/releases/changelog/"
        },
        {
          "url": "https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot"
        },
        {
          "url": "https://www.openwall.com/lists/oss-security/2025/06/30/3"
        },
        {
          "url": "https://access.redhat.com/security/cve/cve-2025-32463"
        },
        {
          "url": "https://ubuntu.com/security/notices/USN-7604-1"
        },
        {
          "url": "https://security-tracker.debian.org/tracker/CVE-2025-32463"
        },
        {
          "url": "https://explore.alas.aws.amazon.com/CVE-2025-32463.html"
        },
        {
          "url": "https://bugs.gentoo.org/show_bug.cgi?id=CVE-2025-32463"
        },
        {
          "url": "https://www.suse.com/support/update/announcement/2025/suse-su-202502177-1/"
        },
        {
          "url": "https://www.suse.com/security/cve/CVE-2025-32463.html"
        },
        {
          "url": "https://www.secpod.com/blog/sudo-lpe-vulnerabilities-resolved-what-you-need-to-know-about-cve-2025-32462-and-cve-2025-32463/"
        },
        {
          "url": "https://www.sudo.ws/security/advisories/chroot_bug/"
        },
        {
          "url": "https://www.vicarius.io/vsociety/posts/cve-2025-32463-detect-sudo-vulnerability"
        },
        {
          "url": "https://www.vicarius.io/vsociety/posts/cve-2025-32463-mitigate-sudo-vulnerability"
        }
      ],
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2025-32463",
    "datePublished": "2025-06-30T00:00:00.000Z",
    "dateReserved": "2025-04-09T00:00:00.000Z",
    "dateUpdated": "2026-02-26T17:50:20.931Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

usn-7604-1

Vulnerability from osv_ubuntu

Published

2025-06-30 14:47

Modified

2026-02-10 04:49

Summary

sudo vulnerabilities

Details

Rich Mirch discovered that Sudo incorrectly handled the host option. In environments where per-host rules are configured in the sudoers file, a local attacker could use this issue to bypass the host restrictions. (CVE-2025-32462)

Rich Mirch discovered that Sudo incorrectly handled the chroot option. In environments where the sudoers file is configured to allow the chroot option, a local attacker could use this issue to run arbitrary commands as root. This issue only applied to Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2025-32463)

References

URL

Type

	https://ubuntu.com/security/notices/USN-7604-1	ADVISORY
	https://ubuntu.com/security/CVE-2025-32462	REPORT
	https://ubuntu.com/security/CVE-2025-32463	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-32462",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "sudo",
            "binary_version": "1.9.9-1ubuntu2.5"
          },
          {
            "binary_name": "sudo-ldap",
            "binary_version": "1.9.9-1ubuntu2.5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "sudo",
        "purl": "pkg:deb/ubuntu/sudo@1.9.9-1ubuntu2.5?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.9-1ubuntu2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.5p2-3ubuntu2",
        "1.9.9-1ubuntu2",
        "1.9.9-1ubuntu2.1",
        "1.9.9-1ubuntu2.2",
        "1.9.9-1ubuntu2.3",
        "1.9.9-1ubuntu2.4"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-32462",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-32463",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libnss-sudo",
            "binary_version": "1.9.15p5-3ubuntu5.24.04.1"
          },
          {
            "binary_name": "sudo",
            "binary_version": "1.9.15p5-3ubuntu5.24.04.1"
          },
          {
            "binary_name": "sudo-ldap",
            "binary_version": "1.9.15p5-3ubuntu5.24.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "sudo",
        "purl": "pkg:deb/ubuntu/sudo@1.9.15p5-3ubuntu5.24.04.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.15p5-3ubuntu5.24.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.14p2-1ubuntu1",
        "1.9.15p5-3ubuntu1",
        "1.9.15p5-3ubuntu3",
        "1.9.15p5-3ubuntu4",
        "1.9.15p5-3ubuntu5"
      ]
    }
  ],
  "aliases": [],
  "details": "Rich Mirch discovered that Sudo incorrectly handled the host option. In\nenvironments where per-host rules are configured in the sudoers file, a\nlocal attacker could use this issue to bypass the host restrictions.\n(CVE-2025-32462)\n\nRich Mirch discovered that Sudo incorrectly handled the chroot option. In\nenvironments where the sudoers file is configured to allow the chroot\noption, a local attacker could use this issue to run arbitrary commands as\nroot. This issue only applied to Ubuntu 24.04 LTS, Ubuntu 24.10, and\nUbuntu 25.04. (CVE-2025-32463)",
  "id": "USN-7604-1",
  "modified": "2026-02-10T04:49:28Z",
  "published": "2025-06-30T14:47:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7604-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-32462"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-32463"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "sudo vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2025-32462",
    "UBUNTU-CVE-2025-32463"
  ]
}

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-2025-32463

Vulnerability from osv_ubuntu

CVE-2025-32463 (GCVE-0-2025-32463)

usn-7604-1

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature