CVE-2017-8560 : What You Need to Know

Microsoft Exchange Server 2010 SP3, Exchange Server 2013 SP3, Exchange Server 2013 CU16, and Exchange Server 2016 CU5 are affected by an elevation of privilege vulnerability due to the way Exchange Outlook Web Access (OWA) handles web requests.

Understanding CVE-2017-8560

An elevation of privilege vulnerability exists in Microsoft Exchange Server versions 2010 SP3, 2013 SP3, 2013 CU16, and 2016 CU5.

What is CVE-2017-8560?

This vulnerability, also known as "Microsoft Exchange Cross-Site Scripting Vulnerability," allows attackers to elevate privileges by exploiting the web request handling in Exchange OWA.

The Impact of CVE-2017-8560

Attackers can potentially gain unauthorized access to sensitive information.
Malicious actors may execute arbitrary code on the affected system.

Technical Details of CVE-2017-8560

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

Type: Elevation of Privilege
The vulnerability is caused by the insecure handling of web requests in Exchange OWA.

Affected Systems and Versions

Microsoft Exchange Server 2010 SP3
Exchange Server 2013 SP3
Exchange Server 2013 CU16
Exchange Server 2016 CU5

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating web requests to gain elevated privileges.

Mitigation and Prevention

Protect your systems from CVE-2017-8560 with these mitigation strategies.

Immediate Steps to Take

Apply security updates provided by Microsoft promptly.
Monitor system logs for any suspicious activities.
Restrict access to Exchange servers to authorized personnel only.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users on safe browsing habits and phishing awareness.

Patching and Updates

Regularly check for and apply security patches released by Microsoft to address this vulnerability.