Security Bulletin
Summary
IBM Spectrum Protect Plus has several directories that are failing security scans due to the sticky bit not being set on world-writable files.
Vulnerability Details
CVEID: CVE-2021-20490
DESCRIPTION: IBM Spectrum Protect Plus could allow a local user to cause a denial of service due to insecure file permission settings.
CVSS Base score: 4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197791 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
Affected Product(s) | Version(s) |
IBM Spectrum Protect Plus | 10.1.0-10.1.8 |
Remediation/Fixes
This issue is resolved by applying 10.1.8 patch 1 (see download link below). Once the 10.1.8 patch 1 is installed, the sticky bit will be set during the next scheduled run of the Maintenance job. If the sticky bit needs to be set immediately after applying 10.1.8 patch 1, the Maintenance job can be run manually by performing the following steps:
- In the main menu screen of Spectrum Protect Plus, click on the "Jobs and Operations" tab.
- In the "Jobs and Operations" tab, click on the "Schedule" sub-tab.
- From the list of jobs, select "Maintenance job".
- Click the "Start" button to initiate the job.
- Sticky bit will be set once the maintenance job has completed.
IBM Spectrum Protect Plus Release | First Fixing VRM Level | Platform | APAR | Link to Fix |
10.1 | 10.1.8.1 | Linux | IT34717 | https://www.ibm.com/support/pages/node/6415111 |
Workarounds and Mitigations
None
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References
Acknowledgement
Change History
28 June 2021: Initial Publication
*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:
28 June 2021
UID
ibm16466609