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Rewterz Threat Advisory – CVE-2023-24892 – CVE-2023-23384 – Microsoft SQL Server Vulnerability
March 16, 2023
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Rewterz Threat Advisory – CVE-2023-23397 – Microsoft Outlook Vulnerability
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Rewterz Threat Advisory – Multiple MIcrosoft Excel Vulnerabilities

Severity

High

Analysis Summary

CVE-2023-24859 CVSS:7.5

Microsoft Excel is vulnerable to a denial of service, caused by a flaw in the Internet Key Exchange (IKE) Extension. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.

CVE-2023-23399 CVSS:7.8

Microsoft Excel could allow a remote attacker to execute arbitrary code on the system. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.

CVE-2023-23398 CVSS:7.1

Microsoft Excel could allow a remote attacker to bypass security restrictions. An attacker could exploit this vulnerability to bypass security features to cause an impact on confidentiality, integrity and availability.

CVE-2023-23396 CVSS:5.5

Microsoft Excel is vulnerable to a denial of service. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause a denial of service condition.

Impact

  • Code Execution
  • Denial of Service
  • Security Bypass

Indicators Of Compromise

CVE

  • CVE-2023-24859
  • CVE-2023-23399
  • CVE-2023-23398
  • CVE-2023-23396

Affected Vendors

Microsoft

Affected Products

  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2016
  • Microsoft Windows Server version 20H2
  • Microsoft Windows 10 20H2 for 32-bit Systems
  • Microsoft Windows 10 20H2 for ARM64-based Systems
  • Microsoft Windows Server (Server Core installation) 2012 R2
  • Microsoft Windows Server (Server Core installation) 2016
  • Microsoft Windows Server for X64-based systems 2008 R2 SP1
  • Microsoft Windows Server for X64-based systems (Server Core installation) 2008 SP2
  • Microsoft Windows Server for 32-bit systems (Server Core installation) 2008 SP2
  • Microsoft Windows Server for 32-bit systems 2008 SP2
  • Microsoft Windows Server for X64-based systems (Server Core installation) 2008 R2 SP1
  • Microsoft Windows 10 21H1 for 32-bit Systems
  • Microsoft Windows 10 21H1 for ARM64-based Systems
  • Microsoft Windows 10 21H1 for x64-based Systems
  • Microsoft Windows Server for X64-based systems 2008 SP2
  • Microsoft Windows 10 21H2 for 32-bit Systems
  • Microsoft Windows 10 21H2 for ARM64-based Systems
  • Microsoft Office Online Server
  • Microsoft Office 2019 x32
  • Microsoft Office 2019 x64
  • Microsoft Office 2019 Mac
  • Microsoft SharePoint Server 2019
  • Microsoft 365 Apps for Enterprise x32
  • Microsoft 365 Apps for Enterprise x64
  • Microsoft Office LTSC 2021 x32
  • Microsoft Office LTSC 2021 x64
  • Microsoft Office LTSC for Mac 2021
  • Microsoft Windows Server (Server Core installation) 20H2
  • Microsoft Excel 2013 SP1 x32
  • Microsoft Excel 2013 SP1 x64
  • Microsoft Excel 2013 SP1 RT
  • Microsoft Excel 2016 x32
  • Microsoft Excel 2016 x64
  • Microsoft Excel 2016 Click-to-Run x32
  • Microsoft Excel 2016 Click-to-Run x64

Remediation

Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches.

CVE-2023-24859

CVE-2023-23399

CVE-2023-23398

CVE-2023-23396