CVE-2013-4930 Denial of service in n/a
Remote attackers can cause a denial of service in Wireshark via crafted packets due to improper length validation in the DVB-CI 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-2013-4930?
CVE-2013-4930 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 dissect_dvbci_tpdu_hdr function in epan/dissectors/packet-dvbci.c in the DVB-CI dissector in Wireshark 1.8.x before 1.8.9 and 1.10.x before 1.10.1 does not validate a certain length value before decrementing it, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a crafted packet.
Weakness: CWE-20
Which versions are affected by CVE-2013-4930?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2013-4930?
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-2013-4930 being exploited?
There is no known exploitation of CVE-2013-4930 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2013-4930, GHSA-xcx8-q7pv-wgcg.