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

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&gt; 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)

Remediation/Fixes

WinCollect Agent 7.2.9 (32-bit)

WinCollect Agent 7.2.9 (64-bit)

Workarounds and Mitigations

None