IBM Support

Security Bulletin: IBM QRadar WinCollect Agent Does Not Verify TLS Syslog Certificate (CVE-2019-4264)

Security Bulletin


Summary

When configured for TLS Syslog the Wincollect agent does not verify the authenticity or accuracy of the server certificate. Even when a certificate is specified within the WinCollect configuration it is ignored, and any certificate presented by the server is blindly accepted while negotiating TLS.

Vulnerability Details

CVEID: CVE-2019-4264
Description: IBM QRadar WinCollect could allow an attacker to obtain sensitive information by spoofing a trusted entity using man in the middle techniques due to not validating or incorrectly validating a certificate.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/160072 for the current score
CVSS Environmental Score: *Undefined
CVSS Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
 

Affected Products and Versions

WinCollect Agent 7.1.2 - WinCollect Agent 7.2.8 Patch 2 (32-bit)
WinCollect Agent 7.1.2 - WinCollect Agent 7.2.8 Patch 2 (64-bit)

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

The vulnerability was reported to IBM by Steven Thompson and Jack Bahbah

Change History

May 24th 2019: First Publish

*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

[{"Product":{"code":"SSBQAC","label":"IBM Security QRadar SIEM"},"Edition":"All Editions","Component":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"7.2.8","Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Line of Business":{"code":"LOB24","label":"Security Software"}}]

Document Information

Modified date:
24 May 2019

UID

ibm10885464