CVE-2009-3241 Denial of service in n/a

High 7.8 Published Updated

Remote attackers can cause denial of service in Wireshark via malformed OPC UA packets, leading to memory and 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-2009-3241?

CVE-2009-3241 is a high-severity denial of service vulnerability in Wireshark Wireshark, published on 18 Sep 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unspecified vulnerability in the OpcUa (OPC UA) dissector in Wireshark 0.99.6 through 1.0.8 and 1.2.0 through 1.2.1 allows remote attackers to cause a denial of service (memory and CPU consumption) via malformed OPCUA Service CallRequest packets.

Which versions are affected by CVE-2009-3241?

It affects 1 product.

Products include Wireshark Wireshark.

How do I fix CVE-2009-3241?

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-2009-3241 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-3241 exists.

Public exploit code: 1 Exploit-DB entry.

All Wireshark Wireshark vulnerabilities

Sources

Also known as DEBIAN-CVE-2009-3241, GHSA-grh9-678v-4762.

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