UBUNTU-CVE-2025-32463

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Source
https://ubuntu.com/security/CVE-2025-32463
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-32463.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-32463
Upstream
Downstream
Related
Published
2025-06-30T16:00:00Z
Modified
2025-10-01T05:15:30Z
Severity
  • 9.3 (Critical) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - high
Summary
[none]
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.

References

Affected packages

Ubuntu:24.04:LTS / sudo

Package

Name
sudo
Purl
pkg:deb/ubuntu/sudo@1.9.15p5-3ubuntu5.24.04.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.15p5-3ubuntu5.24.04.1

Affected versions

1.*

1.9.14p2-1ubuntu1
1.9.15p5-3ubuntu1
1.9.15p5-3ubuntu3
1.9.15p5-3ubuntu4
1.9.15p5-3ubuntu5

Ecosystem specific 

{
    "priority_reason": "Allows local privilege escalation",
    "binaries": [
        {
            "binary_version": "1.9.15p5-3ubuntu5.24.04.1",
            "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"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:25.04 / sudo

Package

Name
sudo
Purl
pkg:deb/ubuntu/sudo@1.9.16p2-1ubuntu1.1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.9.16p2-1ubuntu1.1

Affected versions

1.*

1.9.15p5-3ubuntu5
1.9.16p2-1ubuntu1

Ecosystem specific 

{
    "priority_reason": "Allows local privilege escalation",
    "binaries": [
        {
            "binary_version": "1.9.16p2-1ubuntu1.1",
            "binary_name": "libnss-sudo"
        },
        {
            "binary_version": "1.9.16p2-1ubuntu1.1",
            "binary_name": "sudo"
        },
        {
            "binary_version": "1.9.16p2-1ubuntu1.1",
            "binary_name": "sudo-ldap"
        }
    ],
    "availability": "No subscription required"
}