Facebook Osquery 3.3.2 Remote Code Execution Vulnerability

Summary

Facebook Osquery is prone to a remote code-execution vulnerability.This allows a remote attacker to exploit this issue to execute arbitrary code in the context of the user running the affected application. Failed exploit attempts may result in a denial-of-service condition.

Credit:

The information has been provided by Facebook

The original article can be found at: https://www.facebook.com/security/advisories/cve-2019-3567


Details

In some configurations an attacker can inject a new executable path into the extensions.load file for osquery and hard link a parent folder of a malicious binary to a folder with known ‘safe’ permissions. Under those circumstances osquery will load said malicious executable with SYSTEM permissions. The solution is to migrate installations to the ‘Program Files’ directory on Windows which restricts unprivileged write access. This issue affects osquery prior to v3.4.0.

 

Vulnerable Systems:

  • Facebook Osquery 3.3.2

CVE Information:

CVE-2019-3567

Disclosure Timeline:
Publish Date:06/03/2019