Microsoft Exchange CVE-2019-0588 Information Disclosure Vulnerability

Description

An information disclosure vulnerability exists when the Microsoft Exchange PowerShell API grants calendar contributors more view permissions than intended. To exploit this vulnerability, an attacker would need to be granted contributor access to an Exchange Calendar by an administrator via PowerShell. The attacker would then be able to view additional details about the calendar that would normally be hidden. The security update addresses the vulnerability by modifying how the Exchange PowerShell API grants permissions to contributors.

Affected Applications

Microsoft Exchange Server 2016 Cumulative Update 11
Microsoft Exchange Server 2016 Cumulative Update 10
Microsoft Exchange Server 2013 Cumulative Update 21
Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 25
Microsoft Exchange Server 2019

CVE References

Other References