Vigil@nce - Symfony: privilege escalation via AbstractToken-hasUserChanged
August 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Symfony.
Consequences: administrator access/rights, privileged access/rights.
Provenance: user account.
Confidence: confirmed by the editor (5/5).
Creation date: 03/06/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass restrictions via AbstractToken::hasUserChanged() of Symfony, in order to escalate his privileges.
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