Vigil@nce - Asterisk: denial of service via PJSIP Channel Driver
April 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Asterisk Open Source.
Severity: 2/4.
Consequences: denial of service on service, denial of service on
client.
Provenance: intranet client.
Confidence: confirmed by the editor (5/5).
Creation date: 18/02/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a fatal error via PJSIP Channel Driver of
Asterisk, in order to trigger a denial of service.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Asterisk-denial-of-service-via-PJSIP-Channel-Driver-34618