CVE-2017-15189 Denial of service in n/a
An attacker can cause Wireshark to enter an infinite loop via a malicious DOCSIS packet, leading to application denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-15189?
CVE-2017-15189 is a high-severity denial of service vulnerability in Wireshark Wireshark, published on 10 Oct 2017. 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 2.4.1, the DOCSIS dissector could go into an infinite loop. This was addressed in plugins/docsis/packet-docsis.c by adding decrements.
Weakness: CWE-772
Which versions are affected by CVE-2017-15189?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2017-15189?
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-2017-15189 being exploited?
There is no known exploitation of CVE-2017-15189 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2017-15189, GHSA-jxq9-fc2m-r42j, UBUNTU-CVE-2017-15189.