CVE-2018-9262 Denial of service in n/a
A remote attacker can cause a denial of service in Wireshark by sending crafted packets with excessive VLAN tag nesting, crashing the application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-9262?
CVE-2018-9262 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 4 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the VLAN dissector could crash. This was addressed in epan/dissectors/packet-vlan.c by limiting VLAN tag nesting to restrict the recursion depth.
Weakness: CWE-20
Which versions are affected by CVE-2018-9262?
It affects 2 products.
Products include Debian Debian Linux, Wireshark Wireshark.
How do I fix CVE-2018-9262?
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-2018-9262 being exploited?
There is no known exploitation of CVE-2018-9262 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2018-9262, DEBIAN-CVE-2018-9262, GHSA-q29m-rrv6-mwgm, UBUNTU-CVE-2018-9262.