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: 77910, 57033

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

Required KB Items: SMB/MS_Bulletin_Checks/Possible

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