CVE-2024-9781 Improper Handling of Missing Values in Wireshark
Attackers can cause Wireshark to crash via crafted packets or capture files, disrupting network analysis sessions.
- 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-2024-9781?
CVE-2024-9781 is a high-severity denial of service vulnerability in Wireshark Wireshark, published on 10 Oct 2024. 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
AppleTalk and RELOAD Framing dissector crash in Wireshark 4.4.0 and 4.2.0 to 4.2.7 allows denial of service via packet injection or crafted capture file
Weakness: CWE-230
Which versions are affected by CVE-2024-9781?
It affects 1 product.
Linux distribution packages (3)
wireshark SUSE:Linux Enterprise Module for Basesystem 15 SP6 | All versions | 4.2.8-150600.18.14.1 |
wireshark SUSE:Linux Enterprise Module for Desktop Applications 15 SP6 | All versions | 4.2.8-150600.18.14.1 |
wireshark openSUSE:Leap 15.6 | All versions | 4.2.8-150600.18.14.1 |
Products include Wireshark Wireshark.
How do I fix CVE-2024-9781?
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-2024-9781 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-9781 exists.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2024-9781, GHSA-752v-9q7h-jp65, SUSE-SU-2024:3615-1, UBUNTU-CVE-2024-9781.