Security Bulletin: Vulnerability in Polkit affects IBM Cloud Pak for Data System 2.0.

Summary

Polkit is used by IBM Cloud Pak for Data System 2.0. This bulletin provides a remediation for the Polkit vulnerability (CVE-2021-4034).

Vulnerability Details

CVEID:CVE-2021-4034
**DESCRIPTION:**Polkit could allow a local authenticated attacker to gain elevated privileges on the system, caused by incorrect handling of the argument vectors in the pkexec utility. By crafting environment variables in a specific way, an attacker could exploit this vulnerability to execute commands with root privileges.
CVSS Base score: 7.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/218087 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by applying below patch.

IBM Cloud Pak for Data System 2.0

| 2.0.0.0.polkit_samba_package-WS-ICPDS-fp149| Link to Fix Central

• Please follow the steps given in release notes to apply above remediation.

Workarounds and Mitigations

None