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Security Bulletin: IBM Verify Gateway does not hide client secrets when debug tracing is active (CVE-2020-4372)

Security Bulletin


Summary

When the IBM Verify Gateway (IVG) components are run with debug tracing, client secrets such as the username, password, and client-id are included in the debug log. As of v1.0.1 of IVG for RADIUS and IVG for AIX PAM, and v1.0.2 of IVG for Linux PAM and IVG for Windows Login, these client secrets are suppressed when debug tracing is active.

Vulnerability Details

CVEID:   CVE-2020-4372
DESCRIPTION:   IBM Verify Gateway (IVG) stores user credentials in plain in clear text which can be read by a local user.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/179009 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Verify Gateway (IVG)RADIUS 1.0.0
IBM Verify Gateway (IVG)PAM 1.0.0, 1.0.1
IBM Verify Gateway (IVG)WinLogin 1.0.0, 1.0.1

Remediation/Fixes

Log in to IBM X-Force Exchange / App Exchange and download and install the latest IBM Security Verify Gateway (renamed from IBM Verify Gateway) components. Specifically:

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

Jonathan Fitz-Gerald, John Zuccato, Rodney Ryan, Chris Shepherd, Nathan Roane, Kamil Sarbinowski, Vince Dragnea, Troy Fisher and Elaheh Samani from IBM X-Force Ethical Hacking Team

Change History

14 Jul 2020: 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:
09 March 2021

UID

ibm16251289

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