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Vulnerability of nginx: information disclosure via error_page Request Smuggling

Synthesis of the vulnerability

An attacker can bypass access restrictions to data via error_page Request Smuggling of nginx, in order to obtain sensitive information.
Severity of this alert: 2/4.
Creation date: 10/01/2020.
Références of this alert: CVE-2019-20372, USN-4235-1, USN-4235-2, VIGILANCE-VUL-31301.

Description of the vulnerability

An attacker can bypass access restrictions to data via error_page Request Smuggl...
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This vulnerability note impacts software or systems such as nginx, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity vulnerability is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a technician ability can exploit this computer threat note.

Solutions for this threat

This vulnerability workaround will be public soon.
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