CVE-2011-3482 Denial of service in n/a

Medium 4.3 Published 20 Sep 2011 Updated 6 Aug 2024

Remote attackers can crash Wireshark by sending a malformed packet due to an uninitialized structure member in the CSN.1 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-2011-3482?

CVE-2011-3482 is a medium-severity denial of service vulnerability in Wireshark Wireshark, published on 20 Sep 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.2 does not initialize a certain structure member, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.

Weakness: CWE-399

Which versions are affected by CVE-2011-3482?

It affects 1 product.

Products include Wireshark Wireshark.

How do I fix CVE-2011-3482?

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-2011-3482 being exploited?

There is no known exploitation of CVE-2011-3482 in the wild and no public exploit code.

All Wireshark Wireshark vulnerabilities

Sources

Also known as DEBIAN-CVE-2011-3482, GHSA-2758-3vp9-72c9.