Vulnerabilites related to zotregistry - zot
Vulnerability from fkie_nvd
Published
2024-07-09 19:15
Modified
2025-04-23 17:30
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
zot is an OCI image registry. Prior to 2.1.0, the cache driver `GetBlob()` allows read access to any blob without access control check. If a Zot `accessControl` policy allows users read access to some repositories but restricts read access to other repositories and `dedupe` is enabled (it is enabled by default), then an attacker who knows the name of an image and the digest of a blob (that they do not have read access to), they may maliciously read it via a second repository they do have read access to.
This attack is possible because [`ImageStore.CheckBlob()` calls `checkCacheBlob()`](https://github.com/project-zot/zot/blob/v2.1.0-rc2/pkg/storage/imagestore/imagestore.go#L1158-L1159) to find the blob a global cache by searching for the digest. If it is found, it is copied to the user requested repository with `copyBlob()`. The attack may be mitigated by configuring "dedupe": false in the "storage" settings. The vulnerability is fixed in 2.1.0.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zotregistry | zot | * |
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"value": "zot is an OCI image registry. Prior to 2.1.0, the cache driver `GetBlob()` allows read access to any blob without access control check. If a Zot `accessControl` policy allows users read access to some repositories but restricts read access to other repositories and `dedupe` is enabled (it is enabled by default), then an attacker who knows the name of an image and the digest of a blob (that they do not have read access to), they may maliciously read it via a second repository they do have read access to. \n This attack is possible because [`ImageStore.CheckBlob()` calls `checkCacheBlob()`](https://github.com/project-zot/zot/blob/v2.1.0-rc2/pkg/storage/imagestore/imagestore.go#L1158-L1159) to find the blob a global cache by searching for the digest. If it is found, it is copied to the user requested repository with `copyBlob()`. The attack may be mitigated by configuring \"dedupe\": false in the \"storage\" settings. The vulnerability is fixed in 2.1.0."
},
{
"lang": "es",
"value": "zot es un registro de im\u00e1genes OCI. Antes de 2.1.0, el controlador de cach\u00e9 `GetBlob()` permite acceso de lectura a cualquier blob sin verificaci\u00f3n de control de acceso. Si una pol\u00edtica `accessControl` de Zot permite a los usuarios acceso de lectura a algunos repositorios pero restringe el acceso de lectura a otros repositorios y `dedupe` est\u00e1 habilitado (est\u00e1 habilitado de forma predeterminada), entonces un atacante que conoce el nombre de una imagen y el resumen de una blob (al que no tienen acceso de lectura), pueden leerlo maliciosamente a trav\u00e9s de un segundo repositorio al que s\u00ed tienen acceso de lectura. Este ataque es posible porque [`ImageStore.CheckBlob()` llama a `checkCacheBlob()`](https://github.com/project-zot/zot/blob/v2.1.0-rc2/pkg/storage/imagestore/imagestore .go#L1158-L1159) para encontrar el blob como cach\u00e9 global buscando el resumen. Si se encuentra, se copia al repositorio solicitado por el usuario con `copyBlob()`. El ataque se puede mitigar configurando \"dedupe\": false en la configuraci\u00f3n de \"storage\". La vulnerabilidad se solucion\u00f3 en 2.1.0."
}
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Vulnerability from fkie_nvd
Published
2025-01-17 23:15
Modified
2025-03-04 16:50
Severity ?
7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
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.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| zotregistry | zot | * |
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CVE-2025-23208 (GCVE-0-2025-23208)
Vulnerability from cvelistv5
Published
2025-01-17 22:24
Modified
2025-01-22 14:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-269 - Improper Privilege Management
Summary
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.
References
| ► | URL | Tags |
|---|---|---|
|
|
||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| project-zot | zot |
Version: < 2.1.2 |
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CVE-2024-39897 (GCVE-0-2024-39897)
Vulnerability from cvelistv5
Published
2024-07-09 18:48
Modified
2024-08-02 04:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Summary
zot is an OCI image registry. Prior to 2.1.0, the cache driver `GetBlob()` allows read access to any blob without access control check. If a Zot `accessControl` policy allows users read access to some repositories but restricts read access to other repositories and `dedupe` is enabled (it is enabled by default), then an attacker who knows the name of an image and the digest of a blob (that they do not have read access to), they may maliciously read it via a second repository they do have read access to.
This attack is possible because [`ImageStore.CheckBlob()` calls `checkCacheBlob()`](https://github.com/project-zot/zot/blob/v2.1.0-rc2/pkg/storage/imagestore/imagestore.go#L1158-L1159) to find the blob a global cache by searching for the digest. If it is found, it is copied to the user requested repository with `copyBlob()`. The attack may be mitigated by configuring "dedupe": false in the "storage" settings. The vulnerability is fixed in 2.1.0.
References
| ► | URL | Tags |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| project-zot | zot |
Version: < 2.1.0 |
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"url": "https://github.com/project-zot/zot/security/advisories/GHSA-55r9-5mx9-qq7r"
},
{
"name": "https://github.com/project-zot/zot/commit/aaee0220e46bdadd12115ac67c19f9d3153eb1df",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/project-zot/zot/commit/aaee0220e46bdadd12115ac67c19f9d3153eb1df"
}
],
"source": {
"advisory": "GHSA-55r9-5mx9-qq7r",
"discovery": "UNKNOWN"
},
"title": "Cache driver GetBlob() allows read access to any blob without access control check"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2024-39897",
"datePublished": "2024-07-09T18:48:24.335Z",
"dateReserved": "2024-07-02T19:37:18.599Z",
"dateUpdated": "2024-08-02T04:33:11.364Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}