CVE-2015-3813 Denial of service in n/a
Remote attackers can cause a denial of service via memory consumption in Wireshark by sending crafted packets with insufficient snapshot length.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-3813?
CVE-2015-3813 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 26 May 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The fragment_add_work function in epan/reassemble.c in the packet-reassembly feature in Wireshark 1.12.x before 1.12.5 does not properly determine the defragmentation state in a case of an insufficient snapshot length, which allows remote attackers to cause a denial of service (memory consumption) via a crafted packet.
Weakness: CWE-399
Which versions are affected by CVE-2015-3813?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2015-3813?
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-2015-3813 being exploited?
There is no known exploitation of CVE-2015-3813 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2015-3813, GHSA-8763-cjp2-7qf4.