Description
A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.
Remediation
References
Related Vulnerabilities
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Oracle Database Server CVE-2010-0901 Vulnerability (CVE-2010-0901)
Joomla Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2009-3946)
PHP Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2018-10545)
Oracle Application Server Other Vulnerability (CVE-2007-3863)