CVE-2019-12138 Path traversal in n/a
Attackers can execute arbitrary programs via directory traversal in shared notes, affecting MacDown users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-12138?
CVE-2019-12138 is a high-severity path traversal vulnerability in n/a, published on 16 May 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
MacDown 0.7.1 allows directory traversal, for execution of arbitrary programs, via a file:/// or ../ substring in a shared note.
Weakness: CWE-22
Which versions are affected by CVE-2019-12138?
It affects 1 product.
Products include Macdown Project Macdown.
How do I fix CVE-2019-12138?
No fix has been published for CVE-2019-12138 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-2019-12138 being exploited?
There is no known exploitation of CVE-2019-12138 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-8w8x-hm6m-p4q9.