CVE-2020-13986 Denial of service in n/a
An attacker can cause a denial of service in Contiki OS by sending crafted IPv6 packets with RPL extension headers, triggering an infinite loop.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-13986?
CVE-2020-13986 is a high-severity denial of service vulnerability in n/a, published on 11 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Contiki through 3.0. An infinite loop exists in the uIP TCP/IP stack component when handling RPL extension headers of IPv6 network packets in rpl_remove_header in net/rpl/rpl-ext-header.c.
Weakness: CWE-835
Which versions are affected by CVE-2020-13986?
It affects 1 product.
Products include Contiki-Os Contiki.
How do I fix CVE-2020-13986?
No fix has been published for CVE-2020-13986 yet. Limit exposure of the affected software until one is available.
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-2020-13986 being exploited?
There is no known exploitation of CVE-2020-13986 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-63p4-w7wr-6hxg.