CVE-2024-27093: minder Input Validation Flaw

Description

Minder is a Software Supply Chain Security Platform. In version 0.0.31 and earlier, it is possible for an attacker to register a repository with a invalid or differing upstream ID, which causes Minder to report the repository as registered, but not remediate any future changes which conflict with policy (because the webhooks for the repo do not match any known repository in the database). When attempting to register a repo with a different repo ID, the registered provider must have admin on the named repo, or a 404 error will result. Similarly, if the stored provider token does not have repo access, then the remediations will not apply successfully. Lastly, it appears that reconciliation actions do not execute against repos with this type of mismatch. This appears to primarily be a potential denial-of-service vulnerability. This vulnerability is patched in version 0.20240226.1425+ref.53868a8.

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CVSS v3.1 Score

4.6

MEDIUM

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

Weakness Type (CWE)

CWE-20 Improper Input Validation

Affected Products

Vendor	Product	Versions
lfprojects	minder	< 0.0.31

References

Advisories & Patches

https://github.com/stacklok/minder/commit/53868a878e93f29c43437f96dbc990b548e48d1d https://github.com/stacklok/minder/security/advisories/GHSA-q6h8-4j2v-pjg4 https://github.com/stacklok/minder/commit/53868a878e93f29c43437f96dbc990b548e48d1d https://github.com/stacklok/minder/security/advisories/GHSA-q6h8-4j2v-pjg4

Exploits

https://github.com/stacklok/minder/security/advisories/GHSA-q6h8-4j2v-pjg4 https://github.com/stacklok/minder/security/advisories/GHSA-q6h8-4j2v-pjg4

Frequently Asked Questions

What is CVE-2024-27093? +

Minder is a Software Supply Chain Security Platform. In version 0.0.31 and earlier, it is possible for an attacker to register a repository with a invalid or differing upstream ID, which causes Minder to report the repository as registered, but not remediate any future changes which conflict with policy (because the webhooks for the repo do not match any known repository in the database). When attempting to register a repo with a different repo ID, the registered provider must have admin on the named repo, or a 404 error will result. Similarly, if the stored provider token does not have repo access, then the remediations will not apply successfully. Lastly, it appears that reconciliation actions do not execute against repos with this type of mismatch. This appears to primarily be a potential denial-of-service vulnerability. This vulnerability is patched in version 0.20240226.1425+ref.53868a8. It has a CVSS v3.1 base score of 4.6 (MEDIUM).

How severe is CVE-2024-27093? +

CVE-2024-27093 has a CVSS v3.1 score of 4.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-27093? +

CVE-2024-27093 affects products from lfprojects, specifically: minder. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-27093? +

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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