CVE-2019-5717 Denial of service in n/a
A remote attacker can cause a denial of service in Wireshark by sending a crafted packet with an invalid sequence number to the P_MUL dissector.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-5717?
CVE-2019-5717 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 8 Jan 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In Wireshark 2.6.0 to 2.6.5 and 2.4.0 to 2.4.11, the P_MUL dissector could crash. This was addressed in epan/dissectors/packet-p_mul.c by rejecting the invalid sequence number of zero.
Weakness: CWE-20
Which versions are affected by CVE-2019-5717?
It affects 2 products.
Products include Debian Debian Linux, Wireshark Wireshark.
How do I fix CVE-2019-5717?
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-2019-5717 being exploited?
There is no known exploitation of CVE-2019-5717 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2019-5717, GHSA-3m9m-hq7w-gxvp, UBUNTU-CVE-2019-5717.