Security Bulletin
Summary
IBM Storwize V7000 Unified is shipped with Samba, for which a fix is available for security vulnerability.
Vulnerability Details
Samba is used in IBM Storwize V7000 Unified to enable file management and authentication services for Microsoft Windows environments.
CVEID: CVE-2017-9461
DESCRIPTION: Samba is vulnerable to a denial of service, caused by improper handling of dangling symlinks in smbd. A remote attacker could exploit this vulnerability to cause a fd_open_atomic infinite loop with high CPU usage and memory consumption on the system.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/126916 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:N/A:H)
Affected Products and Versions
IBM Storwize V7000 Unified
The product is affected when running code releases 1.5.0.0 to 1.6.2.2
Remediation/Fixes
A fix for this issue is in version 1.6.2.3 of IBM Storwize V7000 Unified. Version 1.5 is end of service. Customers running on this release can upgrade to IBM Storwize V7000 Unified 1.6.2.3, so that the fix gets applied.
Latest Storwize V7000 Unified Software
Please contact IBM support for assistance in upgrading your system.
Workarounds and Mitigations
Mitigation(s): Ensure that all users who have access to the system are authenticated by another security system such as a firewall.
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References
*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.
Internal Use Only
CQ S1064127 [PSIRT 8933] Product ID 97053 for IBM SONAS and 97054 for IFS - Open Source Samba Samba Vulnerabilities (CVE-2017-9461)
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Document Information
Modified date:
17 June 2018
UID
ssg1S1010671