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Vulnerability of Avast Antivirus: two vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of Avast Antivirus.
Vulnerable software: Avast AV.
Severity of this announce: 2/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 28/04/2017.
Références of this computer vulnerability: CVE-2017-8307, CVE-2017-8308, TWSL2017-009, VIGILANCE-VUL-22585.

Description of the vulnerability 

Several vulnerabilities were announced in Avast Antivirus.

An attacker can trigger a fatal error via LPC interface API, in order to trigger a denial of service. [severity:1/4; CVE-2017-8307]

An attacker can bypass security features via Trusted Arbitrary Process, in order to escalate his privileges. [severity:2/4; CVE-2017-8308]
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This cybersecurity alert impacts software or systems such as Avast AV.

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

The trust level is of type confirmed by the editor, with an origin of user shell.

This bulletin is about 2 vulnerabilities.

An attacker with a expert ability can exploit this security weakness.

Solutions for this threat 

Avast Antivirus: version 2017.
The version 2017 is fixed:
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