Information Exposure Affecting wpa package, versions <2:2.6-15ubuntu2.4


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.46% (76th percentile)

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  • Snyk IDSNYK-UBUNTU1804-WPA-459141
  • published7 Aug 2019
  • disclosed15 Aug 2019

Introduced: 7 Aug 2019

CVE-2019-13377  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Ubuntu:18.04 wpa to version 2:2.6-15ubuntu2.4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wpa package and not the wpa package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

The implementations of SAE and EAP-pwd in hostapd and wpa_supplicant 2.x through 2.8 are vulnerable to side-channel attacks as a result of observable timing differences and cache access patterns when Brainpool curves are used. An attacker may be able to gain leaked information from a side-channel attack that can be used for full password recovery.

CVSS Scores

version 3.1