Security Updates for Exchange (October 2022)

high Nessus Plugin ID 166027

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 information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information.
(CVE-2022-21979,CVE-2022-30134, CVE-2022-34692)

- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges. (CVE-2022-21980, CVE-2022-24477, CVE-2022-24516)

Solution

Microsoft has released the following security updates to address this issue:
-KB5019076
-KB5019077

See Also

https://support.microsoft.com/en-us/help/5019076

https://support.microsoft.com/en-us/help/5019077

Plugin Details

Severity: High

ID: 166027

File Name: smb_nt_ms22_oct_exchange.nasl

Version: 1.4

Type: local

Agent: windows

Published: 10/11/2022

Updated: 11/29/2022

Supported Sensors: Frictionless Assessment Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2022-24516

CVSS v3

Risk Factor: High

Base Score: 8

Temporal Score: 7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:exchange_server

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 8/9/2022

Vulnerability Publication Date: 8/9/2022

Reference Information

CVE: CVE-2022-21979, CVE-2022-21980, CVE-2022-24477, CVE-2022-24516, CVE-2022-30134, CVE-2022-34692

IAVA: 2022-A-0314-S

MSFT: MS22-5019076, MS22-5019077

MSKB: 5019076, 5019077