CVE-2021-33896 Path traversal in n/a
An attacker can create arbitrary files via directory traversal in the Dino XMPP client, potentially modifying the local filesystem.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-33896?
CVE-2021-33896 is a medium-severity path traversal vulnerability in Fedoraproject Fedora, published on 7 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Dino before 0.1.2 and 0.2.x before 0.2.1 allows Directory Traversal (only for creation of new files) via URI-encoded path separators.
Weakness: CWE-22
Which versions are affected by CVE-2021-33896?
It affects 2 products.
Products include Dino Dino, Fedoraproject Fedora.
How do I fix CVE-2021-33896?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-33896 being exploited?
There is no known exploitation of CVE-2021-33896 in the wild and no public exploit code.
Sources
Also known as CLEANSTART-2023-ZV80207, DEBIAN-CVE-2021-33896, GHSA-8j28-3ggh-xffw, MGASA-2021-0401, UBUNTU-CVE-2021-33896.