CVE-2024-24747: minio Privilege Escalation

Description

MinIO is a High Performance Object Storage. When someone creates an access key, it inherits the permissions of the parent key. Not only for `s3:*` actions, but also `admin:*` actions. Which means unless somewhere above in the access-key hierarchy, the `admin` rights are denied, access keys will be able to simply override their own `s3` permissions to something more permissive. The vulnerability is fixed in RELEASE.2024-01-31T20-20-33Z.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-269 CWE-269

Affected Products

Vendor	Product	Versions
minio	minio	All

References

Advisories & Patches

https://github.com/minio/minio/commit/0ae4915a9391ef4b3ec80f5fcdcf24ee6884e776 https://github.com/minio/minio/releases/tag/RELEASE.2024-01-31T20-20-33Z https://github.com/minio/minio/security/advisories/GHSA-xx8w-mq23-29g4 https://github.com/minio/minio/commit/0ae4915a9391ef4b3ec80f5fcdcf24ee6884e776 https://github.com/minio/minio/releases/tag/RELEASE.2024-01-31T20-20-33Z https://github.com/minio/minio/security/advisories/GHSA-xx8w-mq23-29g4

Exploits

https://github.com/minio/minio/security/advisories/GHSA-xx8w-mq23-29g4 https://github.com/minio/minio/security/advisories/GHSA-xx8w-mq23-29g4

Frequently Asked Questions

What is CVE-2024-24747? +

MinIO is a High Performance Object Storage. When someone creates an access key, it inherits the permissions of the parent key. Not only for `s3:*` actions, but also `admin:*` actions. Which means unless somewhere above in the access-key hierarchy, the `admin` rights are denied, access keys will be able to simply override their own `s3` permissions to something more permissive. The vulnerability is fixed in RELEASE.2024-01-31T20-20-33Z. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-24747? +

CVE-2024-24747 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-24747? +

CVE-2024-24747 affects products from minio, specifically: minio. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-24747? +

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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