Vigil@nce - nginx: information disclosure via error_page Request Smuggling
March 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: nginx, openSUSE Leap, SLES, Ubuntu.
Severity: 2/4.
Consequences: data reading.
Provenance: internet client.
Confidence: confirmed by the editor (5/5).
Creation date: 10/01/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass access restrictions to data via error_page
Request Smuggling of nginx, in order to obtain sensitive
information.
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