CVE-2017-16571 Memory corruption in Foxit Reader
Remote attackers can execute arbitrary code via type confusion in Foxit Reader by tricking users into opening malicious files or visiting malicious pages.
- 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-2017-16571?
CVE-2017-16571 is a high-severity memory corruption vulnerability in Foxitsoftware Foxit Reader, published on 20 Dec 2017. 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
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of references to the app object from FormCalc. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this to execute code in the context of the current process. Was ZDI-CAN-5072.
Which versions are affected by CVE-2017-16571?
It affects 1 product.
Products include Foxitsoftware Foxit Reader.
How do I fix CVE-2017-16571?
No fix has been published for CVE-2017-16571 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-16571 being exploited?
There is no known exploitation of CVE-2017-16571 in the wild and no public exploit code.
Other vulnerabilities in Foxitsoftware Foxit Reader
Sources
Also known as GHSA-c2v8-9mcv-h42j.