Security Updates for Exchange (October 2018)

High Nessus Plugin ID 118008

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
multiple vulnerabilities :

- An elevation of privilege vulnerability exists when
Microsoft Exchange Outlook Web Access (OWA) fails to
properly handle web requests. An attacker who
successfully exploited this vulnerability could perform
script/content injection attacks and attempt to trick
the user into disclosing sensitive information.
(CVE-2018-8448)

- A remote code execution vulnerability exists in the way
Microsoft Exchange software parses specially crafted
email messages. An attacker who successfully exploited
the vulnerability could run arbitrary code in the
context of the system user. An attacker could then
install programs; view, change, add, or delete data.
(CVE-2018-8265)

Solution

Microsoft has released the following security update to address this
issue:
-KB4459266

See Also

http://www.nessus.org/u?3ade9314

Plugin Details

Severity: High

ID: 118008

File Name: smb_nt_ms18_oct_exchange.nasl

Version: 1.3

Type: local

Agent: windows

Published: 2018/10/09

Modified: 2018/11/15

Dependencies: 57033, 77910

Risk Information

Risk Factor: High

CVSS Score Source: manual

CVSS Score Rationale: Rce but requires user interaction

CVSS v2.0

Base Score: 9.3

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

CVSS v3.0

Base Score: 8.8

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

Vulnerability Information

CPE: cpe:/a:microsoft:exchange_server

Patch Publication Date: 2018/10/09

Vulnerability Publication Date: 2018/10/09

Reference Information

CVE: CVE-2018-8265, CVE-2018-8448

MSKB: 4459266

MSFT: MS18-4459266