CVE-2019-5605 Information disclosure in FreeBSD
Insufficient memory initialization in the FreeBSD 32-bit ioctl interface allows local attackers to read kernel memory, potentially leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-5605?
CVE-2019-5605 is a medium-severity vulnerability in Freebsd Freebsd, published on 26 Jul 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In FreeBSD 11.3-STABLE before r350217, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, due to insufficient initialization of memory copied to userland in the freebsd32_ioctl interface, small amounts of kernel memory may be disclosed to userland processes. This may allow an attacker to leverage this information to obtain elevated privileges either directly or indirectly.
Weakness: CWE-665
Which versions are affected by CVE-2019-5605?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2019-5605?
No fix has been published for CVE-2019-5605 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-5605 being exploited?
There is no known exploitation of CVE-2019-5605 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-hm9x-fx9w-m295.