Improper Input Validation Affecting wpa_supplicant package, versions [0.6.7,2.6)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.52% (66th percentile)

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  • Snyk IDSNYK-UNMANAGED-WPASUPPLICANT-2364105
  • published14 Dec 2021
  • disclosed9 May 2016
  • creditUnknown

Introduced: 9 May 2016

CVE-2016-4476  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade wpa_supplicant to version 2.6 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation hostapd 0.6.7 through 2.5 and wpa_supplicant 0.6.7 through 2.5 do not reject \n and \r characters in passphrase parameters, which allows remote attackers to cause a denial of service (daemon outage) via a crafted WPS operation.

CVSS Base Scores

version 3.1