Security Bulletin
Summary
There is a privilege escalation vulnerability in Polkit which is used by IBM® QRadar SIEM indirectly as a dependency.
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
IBM QRadar SIEM 7.5.0 GA
IBM QRadar SIEM 7.4.3 GA - 7.4.3 Fix Pack 4
IBM QRadar SIEM 7.3.3 GA - 7.3.3 Fix Pack 10
Remediation/Fixes
QRadar / QRM / QVM / QRIF / QNI 7.5.0 Update Pack 1
QRadar / QRM / QVM / QRIF / QNI 7.4.3 Fix Pack 4 Interim Fix 04
QRadar / QRM / QVM / QRIF / QNI 7.3.3 Fix Pack 10 Interim Fix 02
Workarounds and Mitigations
None
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References
Change History
15 Feb 2022: 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:
18 February 2022
UID
ibm16557426