CVE-2019-5047 Use after free in NitroPDF
A crafted PDF triggers a use-after-free in NitroPDF, potentially allowing remote code execution via type confusion.
- 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-2019-5047?
CVE-2019-5047 is a high-severity use after free vulnerability in NitroPDF, published on 9 Oct 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
An exploitable Use After Free vulnerability exists in the CharProcs parsing functionality of NitroPDF. A specially crafted PDF can cause a type confusion, resulting in a Use After Free. An attacker can craft a malicious PDF to trigger this vulnerability.
Which versions are affected by CVE-2019-5047?
It affects 1 product.
Products include Gonitro Nitropdf.
How do I fix CVE-2019-5047?
No fix has been published for CVE-2019-5047 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-2019-5047 being exploited?
There is no known exploitation of CVE-2019-5047 in the wild and no public exploit code.
Other vulnerabilities in NitroPDF
Sources
Also known as GHSA-4386-ccwc-33g5.