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Vigil@nce - Dnsmasq: denial of service via NSEC

February 2018 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer

SYNTHESIS OF THE VULNERABILITY

An attacker can make Dnsmasq declare that a domain does not exist, because of an error in the signature check step, in order to trigger a denial of service.

Impacted products: Dnsmasq, Fedora.

Severity: 1/4.

Creation date: 22/01/2018.

DESCRIPTION OF THE VULNERABILITY

An attacker can make Dnsmasq declare that a domain does not exist, because of an error in the signature check step, in order to trigger a denial of service.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/...




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