Security Bulletin: IBM Security Verify Information Queue does not properly encode error messages sent to web users (CVE-2021-20405)

Security Bulletin

Summary

When an error occurs while using the IBM Security Verify Information Queue (ISIQ) web application, the status messages sent back to the user are not properly encoded. This could lead to information disclosure, which could then be leveraged in a phishing attack. As of v10.0.0, the ISIQ web application implements strict encoding of output messages.

Vulnerability Details

CVEID: CVE-2021-20405
DESCRIPTION: IBM Security Verify Information Queue could allow a user to perform unauthorized activities due to improper encoding of output.
CVSS Base score: 3.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196183 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Security Verify Information Queue	1.0.6, 1.0.7

Remediation/Fixes

Download and install the latest IBM Security Verify Information Queue images (tagged at 10.0.0 or greater) from the Docker Hub repository. The instructions for accessing and deploying the images can be found on the ISIQ starter kit page: https://www.ibm.com/support/pages/ibm-security-information-queue-starter-kit

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

John Zuccato, Rodney Ryan, Chris Shepherd, Nathan Roane, Vince Dragnea, Troy Fisher, Elaheh Samani, and Gabor Minyo from the IBM X-Force Ethical Hacking Team.

Change History

04 Feb 2021: 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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Tips

Security Bulletin: IBM Security Verify Information Queue does not properly encode error messages sent to web users (CVE-2021-20405)