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Cross-site Scripting via WHOIS and DNS records on multiple lookup platforms

High

Synopsis

Multiple internet record lookup tools were found to be vulnerable to cross-site scripting attacks via malicious DNS or WHOIS records. By inserting malicious javascript into a DNS TXT record or the registrant field of a WHOIS record, the following sites were found to be vulnerable to XSS attacks, allowing an attacker to run arbitrary code in the context of a victims browser if these records were attempted to be viewed:

Disclosure Timeline

August 25, 2020 - Tenable attempts to obtain contact details for all 4 affected sites.
September 2, 2020 - Tenable attempts to obtain contact details for all 4 affected sites.
September 14, 2020 - Tenable attempts to obtain contact details for all 4 affected sites.
October 9, 2020 - Tenable discloses to CERT.

All information within TRA advisories is provided “as is”, without warranty of any kind, including the implied warranties of merchantability and fitness for a particular purpose, and with no guarantee of completeness, accuracy, or timeliness. Individuals and organizations are responsible for assessing the impact of any actual or potential security vulnerability.

Tenable takes product security very seriously. If you believe you have found a vulnerability in one of our products, we ask that you please work with us to quickly resolve it in order to protect customers. Tenable believes in responding quickly to such reports, maintaining communication with researchers, and providing a solution in short order.

For more details on submitting vulnerability information, please see our Vulnerability Reporting Guidelines page.

If you have questions or corrections about this advisory, please email [email protected]

Risk Information

Tenable Advisory ID: TRA-2020-64
Credit:
Jimi Sebree
CVSSv3 Base / Temporal Score:
7.3 / 7.1
CVSSv3 Vector:
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products:
network-tools.com
kdmarc.com
domain.me
dnslookup.online
Risk Factor:
High

Advisory Timeline

November 24, 2020 - Initial release