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Vulnerability of Asterisk: denial of service via SRTP Calls

Synthesis of the vulnerability 

An attacker can trigger a fatal error via SRTP Calls of Asterisk, in order to trigger a denial of service.
Vulnerable systems: Asterisk Open Source.
Severity of this threat: 2/4.
Creation date: 18/02/2021.
Références of this weakness: AST-2021-003, CERTFR-2021-AVI-136, CVE-2021-26712, VIGILANCE-VUL-34616.

Description of the vulnerability 

An attacker can trigger a fatal error via SRTP Calls of Asterisk, in order to tr...
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This computer threat impacts software or systems such as Asterisk Open Source.

Our Vigil@nce team determined that the severity of this computer vulnerability alert 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 weakness.

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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