CVE-2017-6471 Denial of service in n/a
An attacker can cause a denial of service in Wireshark via a malformed capture file or packet injection due to an infinite loop in the WSP dissector.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-6471?
CVE-2017-6471 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 4 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Wireshark 2.2.0 to 2.2.4 and 2.0.0 to 2.0.10, there is a WSP infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-wsp.c by validating the capability length.
Weakness: CWE-20
Which versions are affected by CVE-2017-6471?
It affects 2 products.
Products include Debian Debian Linux, Wireshark Wireshark.
How do I fix CVE-2017-6471?
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-2017-6471 being exploited?
There is no known exploitation of CVE-2017-6471 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2017-6471, DEBIAN-CVE-2017-6471, GHSA-f83h-9cg2-66f9, UBUNTU-CVE-2017-6471.