Security Bulletin
Summary
Vulnerability CVE-2019-4031 affects IBM Workload Scheduler because a local user could launch taskLauncher program and create or replace files created by root user escalating privileges.
Vulnerability Details
DESCRIPTION: IBM Tivoli Workload Scheduler contains a vulnerability that could allow a local user to write files as root in the file system, which could allow the attacker to gain root privileges.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/155997 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
IBM Workload Scheduler Distributed 9.3.0 FP03 and earlier
IBM Workload Scheduler Distributed 9.4.0 FP05 and earlier
Remediation/Fixes
The following limited availability fixes for IJ15085 are available for download on FixCentral
9.2.0-TIV-TWS-FP0003-IJ15085
To be applied on top of Tivoli Workload Scheduler Distributed 9.2.0 FP03
9.3.0-TIV-TWS-FP0003-IJ15085
To be applied on top of Tivoli Workload Scheduler Distributed 9.3.0 FP03
APAR IJ15085 is already included in IWS 9.4.0 FP06 and IWS 9.5.0 FP01.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
References
Acknowledgement
The vulnerability was reported to IBM by Davide Cioccia - Senior Security Engineer at ING
Change History
Oct 1 2019 original version
*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.
Document Location
Worldwide
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Document Information
Modified date:
09 October 2019
UID
ibm11076775