CVE-2016-6504 Null dereference in n/a
Remote attackers can cause a denial of service via a crafted packet due to a NULL pointer dereference in the NDS dissector.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-6504?
CVE-2016-6504 is a medium-severity vulnerability in Wireshark Wireshark, published on 6 Aug 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
epan/dissectors/packet-ncp2222.inc in the NDS dissector in Wireshark 1.12.x before 1.12.13 does not properly maintain a ptvc data structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet.
Weakness: CWE-476
Which versions are affected by CVE-2016-6504?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2016-6504?
Upgrade to a fixed version.
Is CVE-2016-6504 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-6504 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2016-6504, GHSA-j2vp-v494-6r6f, UBUNTU-CVE-2016-6504.