Vigil@nce - Asterisk: denial of service via res_pjsip_diversion
February 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Asterisk Open Source.
Severity: 2/4.
Consequences: denial of service on server, denial of service on
service, denial of service on client.
Provenance: intranet client.
Confidence: confirmed by the editor (5/5).
Creation date: 23/12/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a fatal error via res_pjsip_diversion 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-res-pjsip-diversion-34196