CVE-2019-15877 Missing authorization in FreeBSD
Unprivileged users can modify non-volatile memory in the ixl network driver due to missing privilege checks, potentially leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-15877?
CVE-2019-15877 is a medium-severity missing authorization vulnerability in Freebsd Freebsd, published on 28 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In FreeBSD 12.1-STABLE before r356606 and 12.1-RELEASE before 12.1-RELEASE-p3, driver specific ioctl command handlers in the ixl network driver failed to check whether the caller has sufficient privileges allowing unprivileged users to trigger updates to the device's non-volatile memory.
Weakness: CWE-862
Which versions are affected by CVE-2019-15877?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2019-15877?
No fix has been published for CVE-2019-15877 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2019-15877 being exploited?
There is no known exploitation of CVE-2019-15877 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-5rj6-cmvm-pw98.