Vigil@nce - PHP: information disclosure via __Host- Cookie Names
December 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Fedora, openSUSE Leap, PHP, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Consequences: data reading, data creation/edition.
Provenance: internet client.
Confidence: confirmed by the editor (5/5).
Creation date: 01/10/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass access restrictions to data via __Host- Cookie Names of PHP, in order to obtain sensitive information.
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