CVE-2022-25377: appwrite Path Traversal

Description

The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote attackers to read arbitrary local files via ../ directory traversal. In order to be vulnerable, APP_STORAGE_CERTIFICATES/.well-known/acme-challenge must exist on disk. (This pathname is automatically created if the user chooses to install Let's Encrypt certificates via Appwrite.)

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
appwrite	appwrite	0.5.0 — 0.12.2

References

Advisories & Patches

https://github.com/appwrite/appwrite/pull/2780 https://github.com/appwrite/appwrite/pull/2780

Exploits

https://dubell.io/unauthenticated-lfi-in-appwrite-0.5.0-0.12.1/ https://dubell.io/unauthenticated-lfi-in-appwrite-0.5.0-0.12.1/

Other References

https://github.com/appwrite/appwrite/blob/0.12.0/app/controllers/general.php#L539 https://github.com/appwrite/appwrite/releases/tag/0.12.2 https://github.com/appwrite/appwrite/blob/0.12.0/app/controllers/general.php#L539 https://github.com/appwrite/appwrite/releases/tag/0.12.2

Frequently Asked Questions

What is CVE-2022-25377? +

The ACME-challenge endpoint in Appwrite 0.5.0 through 0.12.x before 0.12.2 allows remote attackers to read arbitrary local files via ../ directory traversal. In order to be vulnerable, APP_STORAGE_CERTIFICATES/.well-known/acme-challenge must exist on disk. (This pathname is automatically created if the user chooses to install Let's Encrypt certificates via Appwrite.) It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2022-25377? +

CVE-2022-25377 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2022-25377? +

CVE-2022-25377 affects products from appwrite, specifically: appwrite. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-25377? +

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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