How to find IPv6-exposed Microsoft Windows systems on your network

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Updated

Latest vulnerability: CVE-2024-38063 #

On August 13, 2024, Microsoft disclosed a vulnerability affecting a number of different versions of the Windows operating system. This vulnerability is in the system's handling of the IPv6 protocol. IPv6 is the latest version of the Internet Protocol, the core protocol of the Internet. Most modern systems, including all of the vulnerable versions of Windows, enable IPv6 by default.

This vulnerability has been designated CVE-2024-38063 and has been given a CVSS score of 9.8 (highly critical).

What is the impact? #

An attacker capable of sending specially-crafted IPv6 packets to a vulnerable system could trigger this vulnerability and execute arbitrary code with kernel privileges, leading to complete system compromise.

Are updates or workarounds available? #

Microsoft has released updates that address this vulnerability and recommends all users update as quickly as possible.

How to find potentially vulnerable systems with runZero #

From the Asset Inventory you can use the following query to locate Windows systems that have globally-visible IPv6 addresses:

has_ipv6_public:t AND os:Windows

Systems with globally-visible IPv6 addresses should be treated as especially vulnerable.

Additionally, the following query can be used to locate Windows systems known to have IPv6 enabled:

has:"epm.oxid.addresses" AND (protocol:"epm" AND epm.oxid.addresses:":")

Written by Rob King

Rob King is the Director of Security Research at runZero. Over his career Rob has served as a senior researcher with KoreLogic, the architect for TippingPoint DVLabs, and helped get several startups off the ground. Rob helped design SC Magazine's Data Leakage Prevention Product of the Year for 2010, and was awarded the 3Com Innovator of the Year Award in 2009. He has been invited to speak at BlackHat, Shmoocon, SANS Network Security, and USENIX.

More about Rob King

Written by HD Moore

HD Moore is the founder and CEO of runZero. Previously, he founded the Metasploit Project and served as the main developer of the Metasploit Framework, which is the world's most widely used penetration testing framework.

More about HD Moore
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