CVE-2017-13766 Memory corruption in n/a

High 7.5 Published Updated

An out-of-bounds write in the Profinet I/O dissector allows attackers to crash Wireshark via malicious packets.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-13766?

CVE-2017-13766 is a high-severity memory corruption vulnerability in Wireshark Wireshark, published on 30 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Wireshark 2.4.0 and 2.2.0 to 2.2.8, the Profinet I/O dissector could crash with an out-of-bounds write. This was addressed in plugins/profinet/packet-dcerpc-pn-io.c by adding string validation.

Weakness: CWE-787

Which versions are affected by CVE-2017-13766?

It affects 1 product.

Products include Wireshark Wireshark.

How do I fix CVE-2017-13766?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-13766 being exploited?

There is no known exploitation of CVE-2017-13766 in the wild and no public exploit code.

All Wireshark Wireshark vulnerabilities

Sources

Also known as ALPINE-CVE-2017-13766, DEBIAN-CVE-2017-13766, GHSA-8v46-667r-cgvm, MGASA-2017-0328, UBUNTU-CVE-2017-13766.

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