Use of a Risky Cryptographic Algorithm Affecting wpa_supplicant package, versions [,2.8)


Severity

Recommended
0.0
low
0
10

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

Threat Intelligence

EPSS
0.73% (81st percentile)

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  • Snyk IDSNYK-UNMANAGED-WPASUPPLICANT-2364107
  • published14 Dec 2021
  • disclosed17 Apr 2019
  • creditUnknown

Introduced: 17 Apr 2019

CVE-2019-9495  (opens in a new tab)
CWE-327  (opens in a new tab)
CWE-524  (opens in a new tab)

How to fix?

Upgrade wpa_supplicant to version 2.8 or higher.

Overview

Affected versions of this package are vulnerable to Use of a Risky Cryptographic Algorithm. The implementations of EAP-PWD in hostapd and wpa_supplicant are vulnerable to side-channel attacks as a result of cache access patterns. All versions of hostapd and wpa_supplicant with EAP-PWD support are vulnerable. The ability to install and execute applications is necessary for a successful attack. Memory access patterns are visible in a shared cache. Weak passwords may be cracked. Versions of hostapd/wpa_supplicant 2.7 and newer, are not vulnerable to the timing attack described in CVE-2019-9494. Both hostapd with EAP-pwd support and wpa_supplicant with EAP-pwd support prior to and including version 2.7 are affected.

References

CVSS Scores

version 3.1