CVE-2009-3721 Path traversal in ytnef
Crafted emails can trigger directory traversal and buffer overflows in yTNEF and Evolution, allowing arbitrary code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2009-3721?
CVE-2009-3721 is a high-severity path traversal vulnerability in ytnef, published on 26 May 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Multiple directory traversal and buffer overflow vulnerabilities were discovered in yTNEF, and in Evolution's TNEF parser that is derived from yTNEF. A crafted email could cause these applications to write data in arbitrary locations on the filesystem, crash, or potentially execute arbitrary code when decoding attachments.
Weakness: CWE-22
Which versions are affected by CVE-2009-3721?
It affects 2 products.
Products include Gnome Evolution, Ytnef Project Ytnef.
How do I fix CVE-2009-3721?
No fix has been published for CVE-2009-3721 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-2009-3721 being exploited?
There is no known exploitation of CVE-2009-3721 in the wild and no public exploit code.
Other vulnerabilities in ytnef
Sources
Also known as GHSA-2qr8-v7fq-qr4p.