Security Updates for Microsoft Skype for Business and Microsoft Lync (July 2022)

high Nessus Plugin ID 163047

Synopsis

The Microsoft Skype for Business or Microsoft Lync installation on the remote host is missing a security update.

Description

The Microsoft Skype for Business or Microsoft Lync installation on the remote host is missing a security update. It is, therefore, affected by the following vulnerability:

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2022-33633)

Solution

Microsoft has released KB5016714 to address this issue.

See Also

https://support.microsoft.com/en-us/help/5016714

Plugin Details

Severity: High

ID: 163047

File Name: smb_nt_ms22_jul_skype.nasl

Version: 1.7

Type: local

Agent: windows

Published: 7/12/2022

Updated: 10/18/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.4

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

CVSS Score Source: CVE-2022-33633

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:skype_for_business, cpe:/a:microsoft:lync

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/12/2022

Vulnerability Publication Date: 7/12/2022

Reference Information

CVE: CVE-2022-33633

IAVA: 2022-A-0271-S

MSFT: MS22-5016714

MSKB: 5016714