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Security Bulletin: IBM QRadar SIEM is vulnerable to denial of service attack due to CVE-2021-39041

Security Bulletin


Summary

The Common and TCPMultilineSyslog protocol components as used by IBM QRadar SIEM contain vulnerabilities which may allow for denial of service attacks. IBM has addressed the relevant CVE.

Vulnerability Details

CVEID:   CVE-2021-39041
DESCRIPTION:   IBM QRadar SIEM may be vulnerable to partial denial of service attack, resulting in some protocols not listening to specified ports.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/214028 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Affected Product(s)Version(s)
IBM QRadar SIEM v7.3

All PROTOCOL-Common versions before PROTOCOL-Common-7.3-20220608132603

All PROTOCOL-TCPMultilineSyslog versions before PROTOCOL-TCPMultilineSyslog-7.3-20220531145432

IBM QRadar SIEM v7.4

All PROTOCOL-Common versions before PROTOCOL-Common-7.4-20220608234024

All PROTOCOL-TCPMultilineSyslog versions before PROTOCOL-TCPMultilineSyslog-7.4-20220531145346

IBM QRadar SIEM v7.5

All PROTOCOL-Common versions before PROTOCOL-Common-7.5-20220608234038

All PROTOCOL-TCPMultilineSyslog versions before PROTOCOL-TCPMultilineSyslog-7.5-20220531145302

Remediation/Fixes

IBM encourages customers to update their systems promptly.

See the Related Information section below for instructions on verifying your currently installed version.

ProductVersions

Fix

IBM QRadar SIEM7.3

PROTOCOL-Common-7.3-20220608132603

PROTOCOL-TCPMultilineSyslog-7.3-20220531145432

IBM QRadar SIEM7.4

PROTOCOL-Common-7.4-20220608234024

PROTOCOL-TCPMultilineSyslog-7.4-20220531145346

IBM QRadar SIEM7.5

PROTOCOL-Common-7.5-20220608234038

PROTOCOL-TCPMultilineSyslog-7.5-20220531145302

 

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

Change History

11 Jul 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

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSBQAC","label":"IBM QRadar SIEM"},"Component":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"7.3, 7.4, 7.5","Edition":"","Line of Business":{"code":"LOB24","label":"Security Software"}},{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSBQAC","label":"IBM QRadar SIEM"},"Component":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"7.4.0","Edition":"","Line of Business":{"code":"LOB24","label":"Security Software"}},{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSBQAC","label":"IBM QRadar SIEM"},"Component":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"7.5.0","Edition":"","Line of Business":{"code":"LOB24","label":"Security Software"}}]

Document Information

Modified date:
11 July 2022

UID

ibm16602749