In Foxit PDF Reader before 2024.3, and PDF Editor before 2024.3 and 13.x before 13.1.4, an attacker can replace an update file with a Trojan horse via side loading, because the update service lacks integrity validation for the updater. Attacker-controlled code may thus be executed.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: