CVE-2024-41659: memos — Exploit & Fix

Description

memos is a privacy-first, lightweight note-taking service. A CORS misconfiguration exists in memos 0.20.1 and earlier where an arbitrary origin is reflected with Access-Control-Allow-Credentials set to true. This may allow an attacking website to make a cross-origin request, allowing the attacker to read private information or make privileged changes to the system as the vulnerable user account. This vulnerability is fixed in 0.21.0.

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CVSS v3.1 Score

8.1

HIGH

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

Weakness Type (CWE)

CWE-942 CWE-942

Affected Products

Vendor	Product	Versions
usememos	memos	< 0.21.0

References

Advisories & Patches

https://github.com/usememos/memos/commit/8101a5e0b162044c16385bee4f12a4a653d050b9

Exploits

https://securitylab.github.com/advisories/GHSL-2024-034_memos/

Other References

https://github.com/usememos/memos/blob/v0.20.1/server/server.go#L163

Frequently Asked Questions

What is CVE-2024-41659? +

memos is a privacy-first, lightweight note-taking service. A CORS misconfiguration exists in memos 0.20.1 and earlier where an arbitrary origin is reflected with Access-Control-Allow-Credentials set to true. This may allow an attacking website to make a cross-origin request, allowing the attacker to read private information or make privileged changes to the system as the vulnerable user account. This vulnerability is fixed in 0.21.0. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2024-41659? +

CVE-2024-41659 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-41659? +

CVE-2024-41659 affects products from usememos, specifically: memos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-41659? +

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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