JPCERT-AT-2023-0016
JPCERT/CC
2023-08-09
Microsoft Corporation
August 2023 Security Updates
https://msrc.microsoft.com/update-guide/en-us/releaseNote/2023-Aug
Microsoft Corporation
Microsoft Security Updates for August 2023 (Monthly) (Japanese)
https://msrc.microsoft.com/blog/2023/08/202308-security-update/
According to Microsoft, among the vulnerabilities, the following vulnerability have been confirmed to be exploited in the wild. Please consider applying the security update programs by referring to the information provided by Microsoft.
CVE-2023-38180
.NET and Visual Studio Denial of Service Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38180
In addition, an update for Microsoft Office (ADV230003) has been released that provides enhanced security as a defense in depth measure.Installing this update stops the attack chain leading to the Windows Search Remote Code Execution Vulnerability (CVE-2023-36884).
ADV230003
Microsoft Office Defense in Depth Update
https://msrc.microsoft.com/update-guide/vulnerability/ADV230003
Microsoft Update Catalog
https://www.catalog.update.microsoft.com/
Windows Update: FAQ
https://support.microsoft.com/en-us/help/12373/windows-update-faq
Microsoft Corporation
Release Notes
https://msrc.microsoft.com/update-guide/releaseNote
Microsoft The Exchange Team
Released: August 2023 Exchange Server Security Updates
https://techcommunity.microsoft.com/t5/exchange-team-blog/released-august-2023-exchange-server-security-updates/ba-p/3892811
If you have any information regarding this alert, please contact JPCERT/CC.
JPCERT Coordination Center (Early Warning Group)
MAIL: ew-info@jpcert.or.jp
https://www.jpcert.or.jp/english/
JPCERT/CC
2023-08-09
I. Overview
Microsoft has released August 2023 Security Updates to address the vulnerabilities in their products. Remote attackers leveraging these vulnerabilities may be able to execute arbitrary code. It is recommended to check the information provided by Microsoft and apply the updates.Microsoft Corporation
August 2023 Security Updates
https://msrc.microsoft.com/update-guide/en-us/releaseNote/2023-Aug
Microsoft Corporation
Microsoft Security Updates for August 2023 (Monthly) (Japanese)
https://msrc.microsoft.com/blog/2023/08/202308-security-update/
According to Microsoft, among the vulnerabilities, the following vulnerability have been confirmed to be exploited in the wild. Please consider applying the security update programs by referring to the information provided by Microsoft.
CVE-2023-38180
.NET and Visual Studio Denial of Service Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38180
In addition, an update for Microsoft Office (ADV230003) has been released that provides enhanced security as a defense in depth measure.Installing this update stops the attack chain leading to the Windows Search Remote Code Execution Vulnerability (CVE-2023-36884).
ADV230003
Microsoft Office Defense in Depth Update
https://msrc.microsoft.com/update-guide/vulnerability/ADV230003
II. Solution
Please apply the security update programs through Microsoft Update,Windows Update, etc. as soon as possible.Microsoft Update Catalog
https://www.catalog.update.microsoft.com/
Windows Update: FAQ
https://support.microsoft.com/en-us/help/12373/windows-update-faq
III. References
Microsoft Corporation
Release Notes
https://msrc.microsoft.com/update-guide/releaseNote
Microsoft The Exchange Team
Released: August 2023 Exchange Server Security Updates
https://techcommunity.microsoft.com/t5/exchange-team-blog/released-august-2023-exchange-server-security-updates/ba-p/3892811
If you have any information regarding this alert, please contact JPCERT/CC.
JPCERT Coordination Center (Early Warning Group)
MAIL: ew-info@jpcert.or.jp
https://www.jpcert.or.jp/english/