CVE-2020-11081 osquery susceptible to DLL search order hijacking of zlib1.dll
Local attackers can escalate privileges by placing a malicious DLL in a user-writable PATH directory, exploiting osquery's DLL search order.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-11081?
CVE-2020-11081 is a medium-severity vulnerability in osquery, published on 10 Jul 2020. 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
osquery before version 4.4.0 enables a privilege escalation vulnerability. If a Window system is configured with a PATH that contains a user-writable directory then a local user may write a zlib1.dll DLL, which osquery will attempt to load. Since osquery runs with elevated privileges this enables local escalation. This is fixed in version 4.4.0.
Which versions are affected by CVE-2020-11081?
It affects 1 product.
Products include Linuxfoundation Osquery.
How do I fix CVE-2020-11081?
No fix has been published for CVE-2020-11081 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-11081 being exploited?
There is no known exploitation of CVE-2020-11081 in the wild and no public exploit code.
Other vulnerabilities in osquery
Sources
Also known as GHSA-2xwp-8fv7-c5pm.