CVE-2019-16338 Use after free in n/a
A use-after-free vulnerability in Hancom Office allows attackers to execute arbitrary code via a crafted .docx file.
- 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-2019-16338?
CVE-2019-16338 is a high-severity use after free vulnerability in n/a, published on 19 Mar 2020. 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
The tfo_common component in HwordApp.dll in Hancom Office 9.6.1.7634 allows a use-after-free via a crafted .docx file.
Weakness: CWE-416
Which versions are affected by CVE-2019-16338?
It affects 1 product.
Products include Hancom Hancom Office Neo.
How do I fix CVE-2019-16338?
No fix has been published for CVE-2019-16338 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2019-16338 being exploited?
There is no known exploitation of CVE-2019-16338 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-r8x4-33mp-x79r.