Date: Mon, 24 May 2021 13:19:38 +0000 From: bugzilla-noreply@freebsd.org To: wireless@FreeBSD.org Subject: [Bug 256120] [net80211] [patch]: prevent plaintext injecting using cloaked A-MSDUs Message-ID: <bug-256120-21060@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256120 Bug ID: 256120 Summary: [net80211] [patch]: prevent plaintext injecting using cloaked A-MSDUs 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 225222 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=225222&action=edit patch: git diff file FreeBSD is vulnerable to CVE-2020-26144 of the "FragAttacks" findings. For background see Section 6.5 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 "eapol-amsdu-bad I,P" (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. -- You are receiving this mail because: You are the assignee for the bug.help
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