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Improper Enforcement of Message Integrity During Transmission in a Communication Channel Affecting wpa package, versions <2:2.6-15ubuntu2.1

Severity

 Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.11% (46th percentile)

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  • Snyk IDSNYK-UBUNTU1804-WPA-339461
  • published8 Aug 2018
  • disclosed8 Aug 2018
Report a new vulnerability Found a mistake?

Introduced: 8 Aug 2018

CVE-2018-14526  (opens in a new tab)
CWE-924  (opens in a new tab)

How to fix?

Upgrade Ubuntu:18.04 wpa to version 2:2.6-15ubuntu2.1 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.

An issue was discovered in rsn_supp/wpa.c in wpa_supplicant 2.0 through 2.6. Under certain conditions, the integrity of EAPOL-Key messages is not checked, leading to a decryption oracle. An attacker within range of the Access Point and client can abuse the vulnerability to recover sensitive information.