CVE-2013-4920 Denial of service in n/a
Remote attackers can crash Wireshark via crafted packets due to uninitialized variables in the P1 dissector, requiring an upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-4920?
CVE-2013-4920 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 29 Jul 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The P1 dissector in Wireshark 1.10.x before 1.10.1 does not properly initialize a global variable, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
Weakness: CWE-119
Which versions are affected by CVE-2013-4920?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2013-4920?
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-2013-4920 being exploited?
There is no known exploitation of CVE-2013-4920 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2013-4920, GHSA-f7qm-gqrg-3gwj.