CVE-2023-6174 Out-of-bounds Read in Wireshark
An out-of-bounds read in the SSH dissector allows attackers to cause a denial of service via crafted packets or capture files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-6174?
CVE-2023-6174 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 16 Nov 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
SSH dissector crash in Wireshark 4.0.0 to 4.0.10 allows denial of service via packet injection or crafted capture file
Which versions are affected by CVE-2023-6174?
It affects 2 products.
Products include Debian Debian Linux, Wireshark Wireshark.
How do I fix CVE-2023-6174?
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-2023-6174 being exploited?
There is no known exploitation of CVE-2023-6174 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-32030, AZL-37057, DEBIAN-CVE-2023-6174, GHSA-xx79-4755-jq22.