FragAttacks, or fragmentation and aggregation attacks, are a group of

Wi-Fi Wi-Fi () is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for Wireless LAN, local area networking of devices and Internet access, allowing nearby digital devices to exchange data by ...

vulnerabilities discovered by security research Mathy Vanhoef. Since the vulnerabilities are design flaws in the Wi-Fi standard, any device released after 1997 could be vulnerable. The attack can be executed without special privileges. The attack was detailed on August 5, 2021 at

Black Hat Briefings Black Hat Briefings (commonly referred to as Black Hat) is a computer security conference that provides security consulting, training, and briefings to hackers, corporations, and government agencies around the world. Black Hat brings together ...

USA and at later at the

USENIX USENIX is an American 501(c)(3) nonprofit membership organization based in Berkeley, California and founded in 1975 that supports advanced computing systems, operating system (OS), and computer networking research. It organizes several confe ...

30th Security Symposium, where recordings are shared publicly. The attack does not leave any trace in the network logs.

Patches

Vanhoef worked with the

Wi-Fi Alliance The Wi-Fi Alliance is a non-profit organization that owns the Wi-Fi trademark. Manufacturers may use the trademark to brand products certified for Wi-Fi interoperability. It is based in Austin, Texas. History Early IEEE 802.11, 802.11 product ...

to help vendors issue patches. Microsoft started issuing patches for Windows 7 through Windows 10 on May 11, 2021.

References

External links

*
Fragment and Forge: Breaking Wi-Fi Through Frame Aggregation and Fragmentation
' by Mathy Vanhoef Computer-related introductions in 2021 Computer security exploits Wi-Fi {{computer-security-stub