CVE-2019-5716 Null dereference in n/a
A null pointer dereference in the 6LoWPAN dissector allows attackers to crash Wireshark by sending malformed packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-5716?
CVE-2019-5716 is a medium-severity vulnerability in Debian Debian Linux, published on 8 Jan 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In Wireshark 2.6.0 to 2.6.5, the 6LoWPAN dissector could crash. This was addressed in epan/dissectors/packet-6lowpan.c by avoiding use of a TVB before its creation.
Weakness: CWE-20
Which versions are affected by CVE-2019-5716?
It affects 2 products.
Products include Debian Debian Linux, Wireshark Wireshark.
How do I fix CVE-2019-5716?
Apply the vendor's patch.
Is CVE-2019-5716 being exploited?
There is no known exploitation of CVE-2019-5716 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2019-5716, GHSA-4jgf-699w-j7rm, UBUNTU-CVE-2019-5716.