Security Bulletin
Summary
A Samba vulnerability affects IBM Spectrum Scale SMB protocol access method which 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.
Vulnerability Details
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 Spectrum Scale 4.2.3.0 - 4.2.3.1
IBM Spectrum Scale 4.2.2.0 - 4.2.2.3
IBM Spectrum Scale 4.2.1.0 - 4.2.1.2
IBM Spectrum Scale 4.2.0.0 - 4.2.0.4
IBM Spectrum Scale 4.1.1.0 - 4.1.1.14
Remediation/Fixes
For IBM Spectrum Scale V4.2.0.0 thru V4.2.3.1, apply V4.2.3.2 available from FixCentral at
https://www-945.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=4.2.3&platform=All&function=all
For IBM Spectrum Scale V4.1.1.0 thru V4.1.1.14, apply V4.1.1.15 available from FixCentral at
https://www-945.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%2Bdefined%2Bstorage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=4.1.1&platform=All&function=all
If you cannot apply the latest level of service, contact IBM Service for an efix:
- For IBM Spectrrum Scale 4.2.3.0-4.2.3.1, reference APAR IV97172
- For IBM Spectrum Scale 4.2.2.0 - 4.2.2.3, reference APAR IV97141
- For IBM Spectrum Scale 4.2.1.0 - 4.2.1.2, reference APAR IV97142
- For IBM Spectrum Scale 4.2.0.0 - 4.2.0.4, reference APAR IV97143
- For IBM Spectrum Scale V4.1.1.15, reference APAR IV97174
To contact IBM Service, see http://www.ibm.com/planetwide/
Workarounds and Mitigations
None
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References
Change History
22 June 2017: Update Published for V4.2.3.2 availability on Fix Central
15 June 2017: 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
ssg1S1010317