CVE-2012-5238 Denial of service in n/a
Remote attackers can cause a denial of service in Wireshark via malformed PPP or LCP packets due to incorrect OUI data structures.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-5238?
CVE-2012-5238 is a low-severity denial of service vulnerability in Wireshark Wireshark, published on 4 Oct 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
epan/dissectors/packet-ppp.c in the PPP dissector in Wireshark 1.8.x before 1.8.3 uses incorrect OUI data structures during the decoding of (1) PPP and (2) LCP data, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a malformed packet.
Which versions are affected by CVE-2012-5238?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2012-5238?
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-2012-5238 being exploited?
There is no known exploitation of CVE-2012-5238 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2012-5238, GHSA-gcqv-9hj2-p5fp.