cvelistv5 - CVE-2025-64517

CVE-2025-64517 (GCVE-0-2025-64517)

Vulnerability from cvelistv5 – Published: 2025-11-12 22:08 – Updated: 2025-11-13 15:40

Summary

sudo-rs is a memory safe implementation of sudo and su written in Rust. With `Defaults targetpw` (or `Defaults rootpw`) enabled, the password of the target account (or root account) instead of the invoking user is used for authentication. sudo-rs starting in version 0.2.5 and prior to version 0.2.10 incorrectly recorded the invoking user’s UID instead of the authenticated-as user's UID in the authentication timestamp. Any later `sudo` invocation on the same terminal while the timestamp was still valid would use that timestamp, potentially bypassing new authentication even if the policy would have required it. A highly-privileged user (able to run commands as other users, or as root, through sudo) who knows one password of an account they are allowed to run commands as, would be able to run commands as any other account the policy permits them to run commands for, even if they don't know the password for those accounts. A common instance of this would be that a user can still use their own password to run commands as root (the default behaviour of `sudo`), effectively negating the intended behaviour of the `targetpw` or `rootpw` options. Version 0.2.10 contains a patch for the issue. Versions prior to 0.2.5 are not affected, since they do not offer `Defaults targetpw` or `Defaults rootpw`.

Severity ?

4.4 (Medium)


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

CWE

CWE-287 - Improper Authentication

Assigner

GitHub_M

References

URL

Tags

	https://github.com/trifectatechfoundation/sudo-rs…	x_refsource_CONFIRM
	https://github.com/trifectatechfoundation/sudo-rs…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	trifectatechfoundation	sudo-rs	Affected: >= 0.2.5, < 0.2.10

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-64517

Vulnerability from fkie_nvd - Published: 2025-11-12 22:15 - Updated: 2025-11-14 16:42

Severity ?

4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/trifectatechfoundation/sudo-rs/releases/tag/v0.2.10
	security-advisories@github.com	https://github.com/trifectatechfoundation/sudo-rs/security/advisories/GHSA-q428-6v73-fc4q

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "sudo-rs is a memory safe implementation of sudo and su written in Rust. With `Defaults targetpw` (or `Defaults rootpw`) enabled,  the password of the target account (or root account) instead of the invoking user is used for authentication. sudo-rs starting in version 0.2.5 and prior to version 0.2.10 incorrectly recorded the invoking user\u2019s UID instead of the authenticated-as user\u0027s UID in the authentication timestamp. Any later `sudo` invocation on the same terminal while the timestamp was still valid would use that timestamp, potentially bypassing new authentication even if the policy would have required it. A highly-privileged user (able to run commands as other users, or as root, through sudo) who knows one password of an account they are allowed to run commands as, would be able to run commands as any other account the policy permits them to run commands for, even if they don\u0027t know the password for those accounts. A common instance of this would be that a user can still use their own password to run commands as root (the default behaviour of `sudo`), effectively negating the intended behaviour of the `targetpw` or `rootpw` options. Version 0.2.10 contains a patch for the issue. Versions prior to 0.2.5 are not affected, since they do not offer `Defaults targetpw` or `Defaults rootpw`."
    }
  ],
  "id": "CVE-2025-64517",
  "lastModified": "2025-11-14T16:42:03.187",
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}

GHSA-Q428-6V73-FC4Q

Vulnerability from github – Published: 2025-11-13 15:36 – Updated: 2025-11-13 15:36

Summary

sudo-rs doesn't record authenticating user properly in timestamp

Details

Summary

When Defaults targetpw (or Defaults rootpw) is enabled, the password of the target account (or root account) instead of the invoking user is used for authentication. sudo-rs prior to 0.2.10 incorrectly recorded the invoking user’s UID instead of the authenticated-as user's UID in the authentication timestamp. Any later sudo invocation on the same terminal while the timestamp was still valid would use that timestamp, potentially bypassing new authentication even if the policy would have required it.

Impact

A highly-privileged user (able to run commands as other users, or as root, through sudo) who knows one password of an account they are allowed to run commands as, would be able to run commands as any other account the policy permits them to run commands for, even if they don't know the password for those accounts.

A common instance of this would be that a user can still use their own password to run commands as root (the default behaviour of sudo), effectively negating the intended behaviour of the targetpw or rootpw options.

Example

With this in /etc/sudoers:

Defaults targetpw
user ALL=(ALL:ALL) ALL

First run:

user@machine$ sudo -g root whoami
[sudo: authenticate] Password: <password for user>
user

Then run:

user@machine$ sudo -u root whoami
root

Affected versions

sudo-rs prior to 0.2.5 are not affected, since they do not offer Defaults targetpw or Defaults rootpw.

Credits

This issue was discovered and reported by @Pingasmaster.

Severity ?

4.4 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "sudo-rs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.2.5"
            },
            {
              "fixed": "0.2.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-64517"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-11-13T15:36:03Z",
    "nvd_published_at": "2025-11-12T22:15:50Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nWhen `Defaults targetpw` (or `Defaults rootpw`) is enabled, the password of the target account (or root account) instead of the invoking user is used for authentication. `sudo-rs` prior to 0.2.10 incorrectly recorded the invoking user\u2019s UID instead of the authenticated-as user\u0027s UID in the authentication timestamp. Any later `sudo` invocation on the same terminal while the timestamp was still valid would use that timestamp, potentially bypassing new authentication even if the policy would have required it.\n\n### Impact\nA highly-privileged user (able to run commands as other users, or as root, through sudo) who knows one password of an account they are allowed to run commands as, would be able to run commands as any other account the policy permits them to run commands for, even if they don\u0027t know the password for those accounts.\n\nA common instance of this would be that a user can still use their own password to run commands as root (the default behaviour of `sudo`), effectively negating the intended behaviour of the `targetpw` or `rootpw` options.\n\n### Example\n\nWith this in /etc/sudoers:\n```\nDefaults targetpw\nuser ALL=(ALL:ALL) ALL\n```\nFirst run:\n```\nuser@machine$ sudo -g root whoami\n[sudo: authenticate] Password: \u003cpassword for user\u003e\nuser\n```\nThen run:\n```\nuser@machine$ sudo -u root whoami\nroot\n```\n\n### Affected versions\n\nsudo-rs prior to 0.2.5 are not affected, since they do not offer `Defaults targetpw` or `Defaults rootpw`.\n\n### Credits\n\nThis issue was discovered and reported by @Pingasmaster.",
  "id": "GHSA-q428-6v73-fc4q",
  "modified": "2025-11-13T15:36:03Z",
  "published": "2025-11-13T15:36:03Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/trifectatechfoundation/sudo-rs/security/advisories/GHSA-q428-6v73-fc4q"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-64517"
    },
    {
      "type": "WEB",
      "url": "https://github.com/trifectatechfoundation/sudo-rs/commit/8423fd986c3fa58b357f238c0db5e54baca5255d"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/trifectatechfoundation/sudo-rs"
    },
    {
      "type": "WEB",
      "url": "https://github.com/trifectatechfoundation/sudo-rs/releases/tag/v0.2.10"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "sudo-rs doesn\u0027t record authenticating user properly in timestamp"
}

Sightings

Author	Source	Type	Date

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

CVE-2025-64517 (GCVE-0-2025-64517)

FKIE_CVE-2025-64517

GHSA-Q428-6V73-FC4Q

Summary

Impact

Example

Affected versions

Credits

Tags

Sightings

Nomenclature