CVE-2024-36107: Information Disclosure (CVSS 5.3)

Description

MinIO is a High Performance Object Storage released under GNU Affero General Public License v3.0. `If-Modified-Since` and `If-Unmodified-Since` headers when used with anonymous requests by sending a random object name requests can be used to determine if an object exists or not on the server on a specific bucket and also gain access to some amount of information such as `Last-Modified (of the latest version)`, `Etag (of the latest version)`, `x-amz-version-id (of the latest version)`, `Expires (metadata value of the latest version)`, `Cache-Control (metadata value of the latest version)`. This conditional check was being honored before validating if the anonymous access is indeed allowed on the metadata of an object. This issue has been addressed in commit `e0fe7cc3917`. Users must upgrade to RELEASE.2024-05-27T19-17-46Z for the fix. There are no known workarounds for this issue.

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-200 CWE-200

References

Other References

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Modified-Since https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Unmodified-Since https://github.com/minio/minio/commit/e0fe7cc391724fc5baa85b45508f425020fe4272 https://github.com/minio/minio/pull/19810 https://github.com/minio/minio/security/advisories/GHSA-95fr-cm4m-q5p9 https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Modified-Since https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Unmodified-Since https://github.com/minio/minio/commit/e0fe7cc391724fc5baa85b45508f425020fe4272 https://github.com/minio/minio/pull/19810 https://github.com/minio/minio/security/advisories/GHSA-95fr-cm4m-q5p9

Frequently Asked Questions

What is CVE-2024-36107? +

MinIO is a High Performance Object Storage released under GNU Affero General Public License v3.0. `If-Modified-Since` and `If-Unmodified-Since` headers when used with anonymous requests by sending a random object name requests can be used to determine if an object exists or not on the server on a specific bucket and also gain access to some amount of information such as `Last-Modified (of the latest version)`, `Etag (of the latest version)`, `x-amz-version-id (of the latest version)`, `Expires (metadata value of the latest version)`, `Cache-Control (metadata value of the latest version)`. This conditional check was being honored before validating if the anonymous access is indeed allowed on the metadata of an object. This issue has been addressed in commit `e0fe7cc3917`. Users must upgrade to RELEASE.2024-05-27T19-17-46Z for the fix. There are no known workarounds for this issue. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2024-36107? +

CVE-2024-36107 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2024-36107? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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