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  • alpine
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  • #10799
Closed
Open
Created Sep 13, 2019 by Alicha CH@alichaReporter5 of 5 tasks completed5/5 tasks

hostapd: AP mode PMF disconnection protection bypass (CVE-2019-16275)

hostapd before 2.10 allow an incorrect indication of disconnection in certain situations because source address validation is mishandled. This is a denial of service that should have been prevented by PMF (aka management frame protection). The attacker must send a crafted 802.11 frame from a location that is within the 802.11 communications range.

References:

  • https://w1.fi/security/2019-7/ap-mode-pmf-disconnection-protection-bypass.txt
  • https://www.openwall.com/lists/oss-security/2019/09/12/6

Patch:

https://w1.fi/security/2019-7/0001-AP-Silently-ignore-management-frame-from-unexpected-.patch

Affected branches:

  • master
  • 3.10-stable
  • 3.9-stable
  • 3.8-stable
  • 3.7-stable
Edited Sep 17, 2019 by Leonardo Arena
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