Vigil@nce - Dnsmasq: out-of-bounds memory reading via do_doctor
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, Dnsmasq.
Severity: 2/4.
Consequences: data reading, denial of service on service, denial
of service on client.
Provenance: internet server.
Confidence: confirmed by the editor (5/5).
Creation date: 02/08/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via do_doctor()
of Dnsmasq, in order to trigger a denial of service, or to obtain
sensitive information.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Dnsmasq-out-of-bounds-memory-reading-via-do-doctor-29933