CVE-2024-29029 memos vulnerable to an SSRF in /o/get/image

Medium 6.1 Published Updated

Unauthenticated attackers can exploit SSRF in the image endpoint to enumerate internal networks and trigger reflected XSS, requiring an upgrade to secure the service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2024-29029?

CVE-2024-29029 is a medium-severity server-side request forgery vulnerability in Usememos Memos, published on 19 Apr 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

memos is a privacy-first, lightweight note-taking service. In memos 0.13.2, an SSRF vulnerability exists at the /o/get/image that allows unauthenticated users to enumerate the internal network and retrieve images. The response from the image request is then copied into the response of the current server request, causing a reflected XSS vulnerability. Version 0.22.0 of memos removes the vulnerable file.

Weakness: CWE-918, CWE-79

Which versions are affected by CVE-2024-29029?

3 open source packages ship an affected version, including github.com/usememos/memos. It affects 1 product.

PackageAffectedFixed in
github.com/usememos/memos GoAll versions0.22.0
github.com/usememos/memos GoAll versions0.22.0
github.com/usememos/memos GoAll versions0.22.0

Products include Usememos Memos.

How do I fix CVE-2024-29029?

Upgrade github.com/usememos/memos to 0.22.0 or later.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2024-29029 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-29029 exists.

Public exploit code: 1 Nuclei template.

All Usememos Memos vulnerabilities

Sources

Also known as GHSA-9cqm-mgv9-vv9j, GO-2024-3049.

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