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AUSCERT External Security Bulletin Redistribution
ESB-2017.2422
Security Bulletin: Open Source Samba Samba Vulnerabilities (CVE-2017-7494)
25 September 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM PureApplication Software Suite
IBM Bluemix Local System
IBM PureApplication System
Publisher: IBM
Operating System: AIX
Linux variants
Windows
Impact/Access: Root Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-7494
Reference: ESB-2017.1345
ESB-2017.1330
ESB-2017.1329
ESB-2017.1328
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg22007631
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Security Bulletin: Open Source Samba Samba Vulnerabilities (CVE-2017-7494)
Document information
More support for:
PureApplication System
Security
Software version:
2.2.1.0, 2.2.2.0, 2.2.2.1, 2.2.2.2, 2.2.3.0, 2.2.3.1, 2.2.3.2
Operating system(s):
AIX, Linux, Windows
Reference #:
2007631
Modified date:
22 September 2017
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
V2.2.2.1 and IBM PureApplication System/Software
Vulnerability Details
Relevant CVE Information:
CVEID:
CVE-2017-7494
DESCRIPTION: Samba could allow a remote authenticated attacker to execute
arbitrary code on the system, caused by improper access to named pipe
endpoints. By uploading a specially-crafted shared library to a writeable
share, an attacker could exploit this vulnerability to execute arbitrary code
on the system.
CVSS Base Score: 7.5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/126417
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
IBM PureApplication Software Suite V2.2.1.0
IBM Bluemix Local System V2.2.2.1
IBM PureApplication System/Software V2.2.1.0
IBM PureApplication System/Software V2.2.2.0
IBM PureApplication System/Software V2.2.2.1
IBM PureApplication System/Software V2.2.2.2
IBM PureApplication System/Software V2.2.3.0
IBM PureApplication System/Software V2.2.3.1
IBM PureApplication System/Software V2.2.3.2
Remediation/Fixes
1. Download the update:
http://www.ibm.com/support/fixcentral/swg/quickorder?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&release=2.2.3.2&platform=All&function=fixId&fixids=samba_efix_Sept_2017-sys&includeRequisites=1&includeSupersedes=0&downloadMethod=ddp&source=fc
2. Add the emergency fixes to the catalog.
For detailed steps, see Adding emergency fixes to the catalog.
3. For deployed instances, apply this emergency fix on the VM.
4. Restart the deployed instance after the fix is applied.
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
September 22, 2017: 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
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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