CVE-2017-9353 Denial of service in n/a
A flaw in the IPv6 dissector allows attackers to crash Wireshark by sending malformed IPv6 packets, requiring an upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-9353?
CVE-2017-9353 is a high-severity denial of service vulnerability in Wireshark Wireshark, published on 2 Jun 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 2.2.6, the IPv6 dissector could crash. This was addressed in epan/dissectors/packet-ipv6.c by validating an IPv6 address.
Weakness: CWE-20
Which versions are affected by CVE-2017-9353?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2017-9353?
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-2017-9353 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-9353 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as ALPINE-CVE-2017-9353, DEBIAN-CVE-2017-9353, GHSA-32qj-cm92-hg4r, UBUNTU-CVE-2017-9353.