KLA11335 Multiple vulnerabilities in Microsoft Exchange Server

Multiple serious vulnerabilities were found in Microsoft Exchange. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges.

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in Microsoft Exchange can be exploited remotely via specially crafted email to execute arbitrary code.
2. An elevation of privilege vulnerability in Microsoft Exchange Outlook Web Access can be exploited remotely via specially crafted email to gain privileges.
3. A remote code execution vulnerability in Microsoft Exchange can be exploited remotely to execute arbitrary code.

Original advisories

CVE-2018-8265

CVE-2018-8448

CVE-2010-3190

Related products

Microsoft-Exchange-Server

CVE list

CVE-2010-3190 critical

CVE-2018-8265 critical

CVE-2018-8448 high

KB list

2565063

4459266

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.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

Affected Products

• Microsoft Exchange Server 2013,Microsoft Exchange Server 2010 Service Pack 3,Microsoft Exchange Server 2016