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Debian LTS Advisory ([SECURITY] [DLA 1922-1] wpa security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'wpa' package(s) announced via the DSA-1922-1 advisory.
Insight
Insight
hostapd (and wpa_supplicant when controlling AP mode) did not perform sufficient source address validation for some received Management frames and this could result in ending up sending a frame that caused associated stations to incorrectly believe they were disconnected from the network even if management frame protection (also known as PMF) was negotiated for the association. This could be considered to be a denial of service vulnerability since PMF is supposed to protect from this type of issues.
Affected Software
Affected Software
'wpa' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 8 'Jessie', this problem has been fixed in version 2.3-1+deb8u9. We recommend that you upgrade your wpa packages.