CVE-2021-27268 Use after free in PhantomPDF
Remote attackers can execute arbitrary code by tricking users into opening malicious PDF files with U3D objects in Foxit PhantomPDF.
- 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-2021-27268?
CVE-2021-27268 is a high-severity use after free vulnerability in Foxitsoftware Foxit Reader, published on 30 Mar 2021. 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
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PhantomPDF 10.1.0.37527. 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 U3D objects in PDF files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12295.
Weakness: CWE-416
Which versions are affected by CVE-2021-27268?
It affects 2 products.
Products include Foxitsoftware Foxit Reader, Foxitsoftware Phantompdf.
How do I fix CVE-2021-27268?
No fix has been published for CVE-2021-27268 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-2021-27268 being exploited?
There is no known exploitation of CVE-2021-27268 in the wild and no public exploit code.
Other vulnerabilities in Foxitsoftware Foxit Reader
Sources
Also known as GHSA-45rc-79hx-8cg4.