EUVD-2025-0111Published

IdP group membership revocation ignored in zot

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cve-program · CVE-2025-23208

Published

zot is a production-ready vendor-neutral OCI image registry. The group data stored for users in the boltdb database (meta.db) is an append-list so group revocations/removals are ignored in the API. SetUserGroups is alled on login, but instead of replacing the group memberships, they are appended. This may be due to some conflict with the group definitions in the config file, but that wasn't obvious to me if it were the case. Any Zot configuration that relies on group-based authorization will not respect group remove/revocation by an IdP. This issue has been addressed in version 2.1.2. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Source published: 17 Jan 2025 22:24:09 UTC
Source modified: 22 Jan 2025 14:27:12 UTC
Saved here: 23 Oct 2026 15:48:27 UTC
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CVSS 3.1 · 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

euvd · EUVD-2025-0111

Published

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datePublished: Jan 17, 2025, 10:24:09 PM

dateUpdated: Jan 22, 2025, 2:27:12 PM

1 related source bulletins · separate from aliases

openSUSE-SU-2025:14710-1: govulncheck-vulndb-0.0.20250128T150132-1.1 on GA media

CVE-2024-11218 · CVE-2024-45336 · CVE-2024-45339 · CVE-2024-45340 · CVE-2024-45341 · CVE-2025-0377 · CVE-2025-22865 · CVE-2025-23028 · CVE-2025-23047 · CVE-2025-23208 · CVE-2025-24030 · CVE-2025-24337 · CVE-2025-24354 · CVE-2025-24355

Source published: Jan 17, 2025, 10:24:09 PM (timezone not stated)
Source modified: Jan 22, 2025, 2:27:12 PM (timezone not stated)
Saved here: 15 Nov 2026 13:15:34 UTC
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EUVD CVSS 3.1 · 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

nvd · CVE-2025-23208

Published

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Source analysis status: Analyzed

Weakness classifications: CWE-269 · NVD-CWE-noinfo

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published: 2025-01-17T23:15:13.107

lastModified: 2026-06-17T08:52:39.000

1 source CPE criteria · context only

cpe:2.3:a:zotregistry:zot:*:*:*:*:*:*:*:*

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Source published: 17 Jan 2025 23:15:13 UTC
Source modified: 17 Jun 2026 08:52:39 UTC
Saved here: 25 Oct 2026 01:17:35 UTC
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CVSS 3.1 · [email protected] · Secondary · 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS 3.1 · [email protected] · Primary · 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

osv · GHSA-c9p4-xwr9-rfhx

Published

### Summary The group data stored for users in the boltdb database (meta.db) is an append-list so group revocations/removals are ignored in the API. ### Details [SetUserGroups](https://github.com/project-zot/zot/blob/5e30fec65c49e3139907e2819ccb39b2e3bd784e/pkg/meta/boltdb/boltdb.go#L1665) is alled on login, but instead of replacing the group memberships, they are appended. This may be due to some conflict with the group definitions in the config file, but that wasn't obvious to me if it were the case. ### PoC Login with group claims, logout, remove the user from a group from at IdP and log in again, the API still grants access and the new list of groups is appended creating meaningless duplicate entries and no longer mathing the expected groups from the IdP. The behavior can be verified by seeing the API or UI still presenting images it should not or by viewing the data directly: `bbolt get meta.db UserData <user>`, eg: ![image](https://github.com/user-attachments/assets/3491cbd2-c7d9-414d-bc33-3efc35ed0582) Note this example also has duplicates due to group hierarchy changes that were left in the database. ### Impact Any Zot configuration that relies on group-based authorization will not respect group remove/revocation by an IdP.

Source published: 17 Jan 2025 22:02:26 UTC
Source modified: 10 Sep 2026 03:50:56 UTC
Saved here: 24 Oct 2026 13:19:41 UTC
Source terms: GitHub Advisory Database · CC-BY-4.0

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CVSS_V3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Publisher rating · HIGH

osv · GO-2025-3409

Published

Zot IdP group membership revocation ignored in zotregistry.dev/zot. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: zotregistry.dev/zot before v2.1.2.

Source published: 28 Jan 2025 15:01:21 UTC
Source modified: 4 Feb 2026 02:51:15 UTC
Saved here: 24 Oct 2026 13:19:41 UTC
Source terms: OSV · upstream source license applies

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Source: osv · OSV · upstream source license applies. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.