CVE-2019-10896 Denial of service in n/a
A flaw in the DOF dissector allows attackers to crash Wireshark by sending crafted packets, requiring users to upgrade to a patched version.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-10896?
CVE-2019-10896 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 9 Apr 2019. 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 2.4.13, 2.6.0 to 2.6.7, and 3.0.0, the DOF dissector could crash. This was addressed in epan/dissectors/packet-dof.c by properly handling generated IID and OID bytes.
Weakness: CWE-787
Which versions are affected by CVE-2019-10896?
It affects 5 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap, Wireshark Wireshark.
How do I fix CVE-2019-10896?
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-2019-10896 being exploited?
There is no known exploitation of CVE-2019-10896 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2019-10896, GHSA-76g3-76v9-c96h, UBUNTU-CVE-2019-10896.