CVE-2019-3567
First published: Mon Jun 03 2019(Updated: )
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.
Credit: cve-assign@fb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linuxfoundation Osquery | <3.4.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-3567?
CVE-2019-3567 is a vulnerability that allows an attacker to inject a new executable path into the extensions.load file for osquery and load a malicious executable with SYSTEM permissions.
How severe is CVE-2019-3567?
CVE-2019-3567 has a severity rating of critical, with a score of 8.1.
Which version of osquery is affected by CVE-2019-3567?
osquery version up to and excluding 3.4.0 is affected by CVE-2019-3567.
How can an attacker exploit CVE-2019-3567?
An attacker can exploit CVE-2019-3567 by injecting a new executable path into the extensions.load file and linking a parent folder of a malicious binary to a folder with known 'safe' permissions in osquery.
Is there a fix for CVE-2019-3567?
Yes, updating osquery to version 3.4.0 or later will fix CVE-2019-3567.
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