Security Bulletin
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 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
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References
Change History
28 September 2018 - Initial Version
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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Document Information
Modified date:
17 December 2018
UID
ibm10739975