Security Bulletin
Summary
A Samba vulnerability which could allow a remote attacker to conduct spoofing attacks affects IBM Spectrum Scale SMB protocol access method.
Vulnerability Details
CVEID: CVE-2016-2119
DESCRIPTION: Samba could allow a remote attacker to conduct spoofing attacks. A man-in-the-middle attacker could exploit this vulnerability to inject the SMB2_SESSION_FLAG_IS_GUEST or SMB2_SESSION_FLAG_IS_NULL flags to downgrade the client's configuration-required signing protections for SMB2 or SMB3 client connections and spoof the server.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114797 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Affected Products and Versions
IBM Spectrum Scale V4.1.1 and V4.2 Standard and Advanced Editions
Remediation/Fixes
Install the latest update for your level of IBM Spectrum Scale.
For V4.2.0.0 thru V4.2.1.0, obtain V4.2.1.1 from Fix Central at:
For V4.1.1,0 thru V4.1.1.8, obtain V4.1.1.9 from Fix Central at:
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
21 September 2016: Original version published
*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:
01 August 2018
UID
ssg1S1009255