Use-After-Free Vulnerability in Foxit PDF Reader and Editor Products
CVE-2021-41784

7.8HIGH

Key Information:

Vendor
Foxit
Status
PDF Editor
PDF Reader
PhantomPDF
Vendor
CVE Published:
29 August 2022

Badges

👾 Exploit Exists🟡 Public PoC

Summary

Foxit PDF Reader, PDF Editor, and PhantomPDF versions prior to the specified releases are susceptible to a use-after-free vulnerability. This flaw arises from the improper handling of JavaScript, which can enable attackers to execute arbitrary code by manipulating specific inputs. Users are advised to upgrade to the latest versions to mitigate potential risks associated with this vulnerability.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-41784
Created by Jeromeyoung

References

https://www.foxit.com/support/security-bulletins.html
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

.