CVE-2021-21269 Path Traversal in Keymaker
An attacker can read arbitrary files on the server via path traversal in the assets endpoint of Keymaker.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-21269?
CVE-2021-21269 is a high-severity path traversal vulnerability in keymaker-mx keymaker, published on 20 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Keymaker is a Mastodon Community Finder based Matrix Community serverlist page Server. In Keymaker before version 0.2.0, the assets endpoint did not check for the extension. The rust `join` method without checking user input might have made it abe to do a Path Traversal attack causing to read more files than allowed. This is fixed in version 0.2.0.
Weakness: CWE-22
Which versions are affected by CVE-2021-21269?
It affects 1 product.
Products include Keymaker Project Keymaker.
How do I fix CVE-2021-21269?
No fix has been published for CVE-2021-21269 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-21269 being exploited?
There is no known exploitation of CVE-2021-21269 in the wild and no public exploit code.