CVE-2018-7333 Denial of service in n/a
An attacker can cause a denial of service in Wireshark by triggering an infinite loop in the RPC RDMA dissector via a crafted packet.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-7333?
CVE-2018-7333 is a high-severity denial of service vulnerability in Wireshark Wireshark, published on 23 Feb 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 2.4.4 and 2.2.0 to 2.2.12, epan/dissectors/packet-rpcrdma.c had an infinite loop that was addressed by validating a chunk size.
Weakness: CWE-835
Which versions are affected by CVE-2018-7333?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2018-7333?
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-2018-7333 being exploited?
There is no known exploitation of CVE-2018-7333 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2018-7333, GHSA-v75w-x35m-6379, UBUNTU-CVE-2018-7333.