CVE-2019-5607 Integer overflow in FreeBSD
A local attacker can exploit a reference counter wrap in domain socket transmission to gain root privileges or escape a jail.
- 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-2019-5607?
CVE-2019-5607 is a high-severity vulnerability in Freebsd Freebsd, published on 26 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In FreeBSD 12.0-STABLE before r350222, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350223, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, rights transmitted over a domain socket did not properly release a reference on transmission error allowing a malicious user to cause the reference counter to wrap, forcing a free event. This could allow a malicious local user to gain root privileges or escape from a jail.
Which versions are affected by CVE-2019-5607?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2019-5607?
No fix has been published for CVE-2019-5607 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-5607 being exploited?
There is no known exploitation of CVE-2019-5607 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-fj28-69vr-wrgq.