CVE-2020-7217 Denial of service in n/a
Network attackers can cause a denial of service in openSUSE wicked by sending crafted DHCP4 packets with varying client IDs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-7217?
CVE-2020-7217 is a high-severity denial of service vulnerability in n/a, published on 10 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An ni_dhcp4_fsm_process_dhcp4_packet memory leak in openSUSE wicked 0.6.55 and earlier allows network attackers to cause a denial of service by sending DHCP4 packets with a different client-id.
Weakness: CWE-401
Which versions are affected by CVE-2020-7217?
It affects 1 product.
Products include Opensuse Wicked.
How do I fix CVE-2020-7217?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-7217 being exploited?
There is no known exploitation of CVE-2020-7217 in the wild and no public exploit code.
Sources
Also known as GHSA-j299-xp2p-5fm9.