CVE-2019-12173 Path traversal in n/a
Attackers can execute arbitrary code by tricking users into clicking a malicious link with a file URI in MacDown.
- 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
- None listed
What is CVE-2019-12173?
CVE-2019-12173 is a high-severity path traversal vulnerability in n/a, published on 17 May 2019. 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
MacDown 0.7.1 (870) allows remote code execution via a file:\\\ URI, with a .app pathname, in the HREF attribute of an A element. This is different from CVE-2019-12138.
Weakness: CWE-22
Which versions are affected by CVE-2019-12173?
It affects 1 product.
Products include Macdown Project Macdown.
How do I fix CVE-2019-12173?
No fix has been published for CVE-2019-12173 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-2019-12173 being exploited?
There is no known exploitation of CVE-2019-12173 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-r63g-rwmc-75w3.