Le Cloud de Christophe BOUCETTA (MVP Lync/Skype for Business, CCNP Voice, CCNP Collaboration)

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[Microsoft Lync Server 2013] Mise a jour de sécurité Juin 2019: Denial of Service Vulnerability

Microsoft vient de rendre disponible une mise a jour de sécurité pour ce mois de Juin 2019 concernant un risque de denial of service avec la technologie Microsoft Lync Server 2013.

Description:

A denial of service vulnerability exists in Skype for Business. An attacker who successfully exploited the vulnerability could cause Skype for Business to stop responding. Note that the denial of service would not allow an attacker to execute code or to elevate the attacker's user rights.

To exploit the vulnerability, an attacker needs to obtain a dial-in link for a vulnerable server and then initiates a series of calls within a short amount of time.

The update addresses the vulnerability by correcting the way that Skype for Business server handles objects in memory.

Bulletin de sécurité:CVE-2019-1029

Source: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1029

Fix: https://support.microsoft.com/en-us/help/4506009/fix-for-lync-server-2013-and-lync-server-2010

Téléchargement: June 2019 cumulative update 5.0.8308.1091 for Lync Server 2013 Unified Communications Managed API 4.0 Runtime

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