Security Updates for Exchange (June 2019)

Medium Nessus Plugin ID 125881

Synopsis

The Microsoft Exchange Server installed on the remote host is affected by multiple vulnerabilities.

Description

The Microsoft Exchange Server installed on the remote host is missing security updates. It is, therefore, affected by a spoofing vulnerability when Outlook Web Access fails to property handle web requests.

An unauthenticated, remote attacker can exploit this by sending in a specially crafted link to a tricked user who clicks on the malicious link & activates the exploit.

Solution

Microsoft has released the following security updates to address this issue:
-KB4503027
-KB4503028

See Also

http://www.nessus.org/u?62ce3d54

http://www.nessus.org/u?57677259

Plugin Details

Severity: Medium

ID: 125881

File Name: smb_nt_ms19_jun_exchange.nasl

Version: 1.2

Type: local

Agent: windows

Published: 2019/06/14

Updated: 2019/07/12

Dependencies: 57033, 77910

Risk Information

Risk Factor: Medium

CVSS Score Source: manual

CVSS Score Rationale: Score based on analysis of the vendor advisory.

CVSS v2.0

Base Score: 5.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS v3.0

Base Score: 5.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Vulnerability Information

CPE: cpe:/a:microsoft:exchange_server

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Patch Publication Date: 2019/06/11

Vulnerability Publication Date: 2019/06/11

Reference Information

MSKB: 4503027, 4503028

MSFT: MS19-4503027, MS19-4503028