CVE-2018-18225 Denial of service in n/a
A flaw in the CoAP dissector allows attackers to crash Wireshark by sending malformed packets, requiring users to upgrade to a patched version.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-18225?
CVE-2018-18225 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 12 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Wireshark 2.6.0 to 2.6.3, the CoAP dissector could crash. This was addressed in epan/dissectors/packet-coap.c by ensuring that the piv length is correctly computed.
Weakness: CWE-682
Which versions are affected by CVE-2018-18225?
It affects 3 products.
Products include Debian Debian Linux, Opensuse Leap, Wireshark Wireshark.
How do I fix CVE-2018-18225?
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-2018-18225 being exploited?
There is no known exploitation of CVE-2018-18225 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2018-18225, GHSA-m265-hw72-834q, UBUNTU-CVE-2018-18225.