CVE-2012-4049 Denial of service in n/a
Remote attackers can cause a denial of service in Wireshark via crafted NFS packets, leading to CPU exhaustion.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-4049?
CVE-2012-4049 is a low-severity denial of service vulnerability in Opensuse Opensuse, published on 24 Jul 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
epan/dissectors/packet-nfs.c in the NFS dissector in Wireshark 1.4.x before 1.4.14, 1.6.x before 1.6.9, and 1.8.x before 1.8.1 allows remote attackers to cause a denial of service (loop and CPU consumption) via a crafted packet.
Weakness: CWE-94
Which versions are affected by CVE-2012-4049?
It affects 2 products.
Products include Opensuse Opensuse, Wireshark Wireshark.
How do I fix CVE-2012-4049?
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-2012-4049 being exploited?
There is no known exploitation of CVE-2012-4049 in the wild and no public exploit code.
Other vulnerabilities in Opensuse Opensuse
Sources
Also known as DEBIAN-CVE-2012-4049, GHSA-6m9p-64vv-xh22.