Vigil@nce - OpenDMARC: adress spoofing via From field duplication
October 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: Debian.
Severity: 1/4.
Consequences: data flow, disguisement.
Provenance: internet client.
Confidence: confirmed by the editor (5/5).
Creation date: 20/09/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can make OpenDMARC skip the DMARC signature check via
duplication of From field, in order to spoof a DNS domain.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/OpenDMARC-adress-spoofing-via-From-field-duplication-30369