IBM Support

Security Bulletin: IBM Spectrum LSF is affected by a privilege escalation vulnerability

Security Bulletin


Summary

IBM Spectrum LSF has addressed the following vulnerability. Enhancing the eauth executable file to prevent the preloading of getuid to avoid the users changing their job user at job submission time.

Vulnerability Details

CVEID:CVE-2018-1724
DESCRIPTION:IBM Spectrum LSF 9.1.1 9.1.2, 9.1.3, and 10.1 could allow a local user to change their job user at job submission time due to improper file permission settings.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/147439 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected IBM Platform LSF

Affected Versions

IBM Spectrum LSF

10.1

IBM Spectrum LSF

9.1.1

IBM Spectrum LSF

9.1.2

IBM Spectrum LSF

9.1.3

 

 

 

Remediation/Fixes

 

Product

VRMF

APAR

Remediation / First Fix

IBM Spectrum LSF

10.1

P102716

http://www.ibm.com/support/fixcentral/swg/selectFixes?product=ibm/Other+software/IBM+Spectrum+LSF&release=All&platform=All&function=fixId&fixids=lsf-10.1-build501633&includeSupersedes=0

IBM Spectrum LSF

9.1.1

P102716

http://www.ibm.com/support/fixcentral/swg/selectFixes?product=ibm/Other+software/Platform+LSF&release=All&platform=All&function=fixId&fixids=lsf-9.1.1-build501933&includeSupersedes=0

IBM Spectrum LSF

9.1.2

P102716

http://www.ibm.com/support/fixcentral/swg/selectFixes?product=ibm/Other+software/Platform+LSF&release=All&platform=All&function=fixId&fixids=lsf-9.1.2-build501919&includeSupersedes=0

IBM Spectrum LSF

9.1.3

P102716

http://www.ibm.com/support/fixcentral/swg/selectFixes?product=ibm/Other+software/Platform+LSF&release=All&platform=All&function=fixId&fixids=lsf-9.1.3-build501909&includeSupersedes=0

 

Workarounds and Mitigations

Workaround: Create eauth key in /etc/lsf.sudoers file on each host.

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

The vulnerability was reported to IBM by Ryan Adamson

Change History

27 September 2018: Original version created
17 October 2018: Update Vulnerability Details according to the infomation on xForce

*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.

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSWRJV","label":"IBM Spectrum LSF"},"Component":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"All Versions","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
18 October 2018

UID

ibm10734767