KLA11839 Multiple vulnerabilities in Microsoft Exchange Server

Multiple vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service.

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in Microsoft Malware Protection Engine can be exploited remotely via specially crafted file to execute arbitrary code.
2. A denial of service vulnerability in Microsoft Malware Protection Engine can be exploited remotely via specially crafted file to cause denial of service.

Original advisories

CVE-2017-8540

CVE-2017-8541

CVE-2017-8542

CVE-2017-8539

CVE-2017-8538

CVE-2017-8535

CVE-2017-8537

CVE-2017-8536

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Microsoft-Exchange-Server

CVE list

CVE-2017-8542 high

CVE-2017-8541 critical

CVE-2017-8540 critical

CVE-2017-8539 high

CVE-2017-8538 critical

CVE-2017-8537 high

CVE-2017-8536 high

CVE-2017-8535 high

KB list

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

Affected Products

• Microsoft Exchange Server 2016Microsoft Exchange Server 2013