Vigil@nce - PowerDNS Recursor: privilege escalation via DNSSEC Signatures Validation
April 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora, openSUSE Leap, SUSE Linux Enterprise
Desktop, SLES.
Severity: 2/4.
Consequences: administrator access/rights, privileged
access/rights.
Provenance: internet client.
Confidence: confirmed by the editor (5/5).
Creation date: 30/01/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass restrictions via DNSSEC Signatures
Validation of PowerDNS Recursor, in order to escalate his
privileges.
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