CVE-2016-7958 Denial of service in n/a
A malformed packet or capture file can crash Wireshark via the NCP dissector, requiring a patch to restore stability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7958?
CVE-2016-7958 is a high-severity denial of service vulnerability in Wireshark Wireshark, published on 12 Apr 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, the NCP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/CMakeLists.txt by registering this dissector.
Weakness: CWE-20
Which versions are affected by CVE-2016-7958?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2016-7958?
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-2016-7958 being exploited?
There is no known exploitation of CVE-2016-7958 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2016-7958, GHSA-mw35-x622-c54w, UBUNTU-CVE-2016-7958.