CVE-2018-3850 Use after free in Foxit
A use-after-free vulnerability in Foxit PDF Reader allows arbitrary code execution via a malicious PDF or website.
- 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-2018-3850?
CVE-2018-3850 is a high-severity use after free vulnerability in Foxit Pdf Reader, published on 23 Apr 2018. 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 JavaScript engine Foxit Software Foxit PDF Reader version 9.0.1.1049. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If a browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
Weakness: CWE-416
Which versions are affected by CVE-2018-3850?
It affects 1 product.
Products include Foxit Pdf Reader.
How do I fix CVE-2018-3850?
No fix has been published for CVE-2018-3850 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-2018-3850 being exploited?
There is no known exploitation of CVE-2018-3850 in the wild and no public exploit code.
Other vulnerabilities in Foxit Pdf Reader
Sources
Also known as GHSA-q248-6jpv-6wjh.