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Debian LTS Advisory ([SECURITY] [DLA 1922-1] wpa security update)

Information

Severity

Severity

Low

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

3.3

CVSSv2 Vector

CVSSv2 Vector

AV:A/AC:L/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

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.

Common Vulnerabilities and Exposures (CVE)