Security Bulletin: A vulnerability in wpa_supplicant affects PowerKVM

Summary

PowerKVM is affected by a vulnerability in wpa_supplicant. IBM has now addressed this vulnerability.

Vulnerability Details

CVEID: CVE-2018-14526 DESCRIPTION: wpa_supplicant could allow a remote attacker within range of the Access Point and client to obtain sensitive information, caused by the improper processing of EAPOL-Key frames by rsn_supp/wpa.c. By modifying the frame in a way that allows for the decryption of the Key Data field without requiring a valid MIC value in the frame, an attacker could exploit this vulnerability to act as a decryption oracle to recover some of the Key Data payload to get knowledge of the group encryption keys.
CVSS Base Score: 6.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/148095&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

PowerKVM 3.1

Remediation/Fixes

Customers can update PowerKVM systems by using “yum update”.

Fix images are made available via Fix Central. For version 3.1, see https://ibm.biz/BdHggw. This issue is addressed starting with v3.1.0.2 update 16.

Workarounds and Mitigations

none