Security Bulletin
Summary
IBM Security Key Lifecycle Manager specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. In case of Windows operating system, all user accounts with access to the system will have read access to all the application backups created in the SKLM_DATA folder.
Vulnerability Details
CVEID: CVE-2018-1750
DESCRIPTION: IBM Tivoli Key Lifecycle Manager specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.
CVSS Base Score: 4.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/148511 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N)
Affected Products and Versions
IBM Security Key Lifecycle Manager: v3.0- 3.0.0.1
IBM Security Key Lifecycle Manager: v2.7- 2.7.0.4
IBM Security Key Lifecycle Manager: v2.6- 2.6.0.5
Remediation/Fixes
|
Product |
VRMF | Remediation/First Fix |
| IBM Security Key Lifecycle Manager | 3.0- 3.0.0.1 | 3.0.0-ISS-SKLM-FP0002 |
On LNUX servers, there is a sklmPermission.sh sklmPermissions.sh script provided from 3.0.0-ISS-SKLM-FP0002 onwards.
1) Execute the sklmPermission.sh script
2) Reboot system.
3) After every reboot for multi-master configuration, user needs to set following parameters:
sysctl -w kernel.msgmni=16384
sysctl -w kernel.sem="250 32000 100 1024"
Workarounds and Mitigations
For Windows server, as a workaround, windows users can change or remove the read access to all users except Administrator.
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References
Acknowledgement
IBM X-Force Ethical Hacking Team: Warren Moynihan, Jonathan Fitz-Gerald, John Zuccato, Rodney Ryan, Chris Shepherd, Dmitriy Beryoza
Change History
original document publish date - 28th September 2018.
*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:
03 July 2023
UID
ibm10733311