Date: Mon, 24 May 2021 13:16:55 +0000 From: bugzilla-noreply@freebsd.org To: wireless@FreeBSD.org Subject: [Bug 256119] [net80211] [patch]: mitigate A-MSDU FragAttacks design flaw Message-ID: <bug-256119-21060@https.bugs.freebsd.org/bugzilla/>
next in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256119 Bug ID: 256119 Summary: [net80211] [patch]: mitigate A-MSDU FragAttacks design flaw Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Many People Priority: --- Component: wireless Assignee: wireless@FreeBSD.org Reporter: mathy.vanhoef@cs.kuleuven.be Created attachment 225221 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D225221&action= =3Dedit patch: git diff file FreeBSD is also affected by the A-MSDU design flaw in Wi-Fi (CVE-2020-24588= ). For background see Section 3 in https://papers.mathyvanhoef.com/usenix2021.= pdf This vulnerability can be reproduced using the FragAttack test tool at https://github.com/vanhoefm/fragattacks with the test case "amsdu-inject-ba= d" (the injected ping request should be rejected by the kernel). The attached patches fixes this vulnerability. It was tested using a Belkin F5D8053 (run driver) in client mode. --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-256119-21060>