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Vulnerability of Asterisk: denial of service via res_pjsip_diversion

Synthesis of the vulnerability 

An attacker can trigger a fatal error via res_pjsip_diversion of Asterisk, in order to trigger a denial of service.
Impacted systems: Asterisk Open Source.
Severity of this alert: 2/4.
Creation date: 18/02/2021.
Références of this alert: AST-2021-001, CERTFR-2021-AVI-136, CVE-2020-35776, VIGILANCE-VUL-34613.

Description of the vulnerability 

An attacker can trigger a fatal error via res_pjsip_diversion of Asterisk, in or...
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This threat impacts software or systems such as Asterisk Open Source.

Our Vigil@nce team determined that the severity of this computer threat is medium.

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this cybersecurity bulletin.

Solutions for this threat 

This vulnerability workaround will be public soon.
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