Security Bulletin
Summary
There are vulnerabilities in the Open Source Samba that is used by the OS Images for IBM PureApplication Software Suite, IBM Bluemix Local System and IBM PureApplication System/Software
Vulnerability Details
CVEID: CVE-2017-12163
DESCRIPTION: Samba could allow a remote authenticated attacker to obtain sensitive information, caused by a memory leak over SMB1. By sending specially crafted SMB1 data, an attacker could exploit this vulnerability to cause portions of server memory contents to be written to a file and obtain sensitive information.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/132351 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
CVEID: CVE-2017-12150
DESCRIPTION: Samba could allow a remote attacker to obtain sensitive information, caused by the failure to require SMB signing in SMB1/2/3 connections. An attacker could exploit this vulnerability using man-in-the-middle techniques to hijack client connections and obtain sensitive information.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/132349 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Affected Products and Versions
IBM OS Image for Red Hat Linux Systems 2.1.5.0
IBM OS Image for Red Hat Linux Systems 2.1.6.0
IBM OS Image for Red Hat Linux Systems 2.1.7.0
IBM OS Image for Red Hat Linux Systems 2.1.8.0
IBM OS Image for Red Hat Linux Systems 3.0.5.0
IBM OS Image for Red Hat Linux Systems 3.0.6.0
IBM OS Image for Red Hat Linux Systems 3.0.7.0
Remediation/Fixes
The solution is to upgrade the IBM PureApplication System to the following fix level:
IBM PureApplication V2.2.0.0, V2.2.1.0, V2.2.2.0, V2.2.2.1, V2.2.2.2, V2.2.3.0, V2.2.3.1, V2.2.3.2, V2.2.4.0
- Upgrade to IBM PureApplication V2.2.5.0. Contact IBM for assistance.
PureApplication Software:
Linux:
http://www.ibm.com/support/fixcentral/swg/quickorder?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function=fixId&fixids=pureappsw_content_2250&includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc
PureApplication System:
AIX
http://www.ibm.com/support/fixcentral/swg/quickorder?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function=fixId&fixids=Group_Content_PureApplicationSystem_2.2.5.0_Power&includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc
Linux
http://www.ibm.com/support/fixcentral/swg/quickorder?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function=fixId&fixids=Group_Content_PureApplicationSystem_2.2.5.0_Intel&includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc
Intel
http://www.ibm.com/support/fixcentral/swg/quickorder?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&release=2.2.5.0&platform=All&function=fixId&fixids=Group_Base_RedHat_PureApplicationSystem_2.2.5.0_Intel&includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc
Information on upgrading can be found here: http://www-01.ibm.com/support/docview.wss?uid=swg27039159
Workarounds and Mitigations
None
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References
Change History
April 2, 2018: Original document 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:
15 June 2018
UID
swg22009146