CVE-2018-5335 Denial of service in n/a
A flaw in the WCP dissector allows attackers to crash Wireshark by sending malformed packets, requiring users to update the application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-5335?
CVE-2018-5335 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 11 Jan 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In Wireshark 2.4.0 to 2.4.3 and 2.2.0 to 2.2.11, the WCP dissector could crash. This was addressed in epan/dissectors/packet-wcp.c by validating the available buffer length.
Weakness: CWE-119
Which versions are affected by CVE-2018-5335?
It affects 2 products.
Products include Debian Debian Linux, Wireshark Wireshark.
How do I fix CVE-2018-5335?
Apply the vendor's patch.
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-2018-5335 being exploited?
There is no known exploitation of CVE-2018-5335 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2018-5335, DEBIAN-CVE-2018-5335, GHSA-c6jf-m4vp-74vf, UBUNTU-CVE-2018-5335.