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【漏洞預警】微軟Hyper-V、HTTP通訊協定堆疊及Object Linking and Embedding(OLE)存在安全漏洞

2021/04/19

漏洞預警：

微軟Hyper-V、HTTP通訊協定堆疊及Object Linking and Embedding(OLE)存在安全漏洞(CVE-2021-28476、CVE-2021-31166及CVE-2021-31194)，允許攻擊者遠端執行任意程式碼，請儘速確認並進行更新

內容說明:

微軟Hyper-V、HTTP通訊協定堆疊及Object Linking and Embedding(OLE)存在安全漏洞(CVE-2021-28476、CVE-2021-31166及CVE-2021-31194)，可能遭遠端攻擊者藉由發送特製封包或誘騙受害者存取特製網頁，進而利用漏洞執行任意程式碼。。

影響平台:
受影響版本如下：
CVE-2021-28476：
Windows 7 for x64-based Systems Service Pack 1
Windows 8.1 for x64-based systems
Windows 10 for x64-based Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1803 for x64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 20H2 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows Server 2016 (Server Core installation)
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server, version 1909 (Server Core installation)
Windows Server, version 2004 (Server Core installation)
Windows Server, version 20H2 (Server Core Installation)
CVE-2021-31166：
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for x64-based Systems
Windows Server, version 2004 (Server Core installation)
Windows Server, version 20H2 (Server Core Installation)
CVE-2021-31194：
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows RT 8.1
Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1803 for ARM64-based Systems
Windows 10 Version 1803 for 32-bit Systems
Windows 10 Version 1803 for x64-based Systems
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for x64-based Systems
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows Server 2016 (Server Core installation)
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server, version 1909 (Server Core installation)
Windows Server, version 2004 (Server Core installation)
Windows Server, version 20H2 (Server Core Installation)

建議措施:
目前微軟官方已針對此漏洞釋出更新程式，請各機關聯絡設備維護廠商或參考以下網址進行更新：
1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28476
2. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31166
3. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31194

參考資料:
1. https://www.ithome.com.tw/news/144350
2. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28476
3. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31166
4. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31194

更多公告

【漏洞預警】微軟Microsoft Exchange Server存在安全漏洞

2021/04/25

主旨:

漏洞預警：

微軟Microsoft Exchange Server存在安全漏洞(CVE-2021-28480~28483)，允許攻擊者遠端執行任意程式碼，請儘速確認並進行更新

內容說明:

研究人員發現Microsoft Exchange Server因輸入驗證不正確而導致存在安全漏洞(CVE-2021-28480~28483)，遠程攻擊者可藉由發送特製請求，利用此漏洞進而執行任意代碼。

影響平台:
Microsoft Exchange Server 2013
Microsoft Exchange Server 2016
Microsoft Exchange Server 2019

建議措施:
目前微軟官方已針對此漏洞釋出更新程式，請各機關聯絡設備維護廠商或參考以下網址進行更新：
1. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28480
2. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28481
3. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28482
4. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28483

參考資料:
1. https://thehackernews.com/2021/04/nsa-discovers-new-vulnerabilities.html
2. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28480
3. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28481 
4. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28482
5. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-28483
6. https://www.cybersecurity-help.cz/vdb/SB2021041327

【漏洞預警】Google Chrome與Microsoft Edge瀏覽器存在安全漏洞

2021/04/19

漏洞預警：

Google Chrome與Microsoft Edge瀏覽器存在安全漏洞(CVE-2021-21194~21199)，允許攻擊者遠端執行任意程式碼，請儘速確認並進行更新

內容說明:

研究人員發現Google Chrome與Microsoft Edge(基於Chromium)瀏覽器存在安全漏洞(CVE-2021-21194~21199)，攻擊者可藉由誘騙受害者存取特製網頁，利用此漏洞進而遠端執行任意程式碼。

影響平台:
Google Chrome 89.0.4389.114 (不含)以前版本
Microsoft Edge 89.0.774.68 (不含)以前版本

建議措施:
請更新Google Chrome瀏覽器至89.0.4389.114以後版本，更新方式如下：
1.開啟瀏覽器，於網址列輸入chrome://settings/help，瀏覽器將執行版本檢查與自動更新。
2.點擊「重新啟動」完成更新。
請更新Microsoft Edge瀏覽器至89.0.774.68以後版本，更新方式如下：
1.開啟瀏覽器，於網址列輸入edge://settings/help，瀏覽器將執行版本檢查與自動更新。
2.點擊「重新啟動」完成更新。

參考資料:
1. https://www.ithome.com.tw/news/143851
2. https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_30.html
3. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21194
4. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21195
5. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21196
6. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21197
7. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21198
8. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-21199

【漏洞預警】VMware vCenter存在安全漏洞

2021/02/18

主旨:

【漏洞預警】VMware vCenter存在安全漏洞(CVE-2021-21972)，允許攻擊者遠端執行任意程式碼，請儘速確認並進行更新！)

內容說明:

轉發 國家資安資訊分享與分析中心 NISAC-ANA-202104-0524

研究人員發現VMware vCenter存在安全漏洞(CVE-2021-21972)，遠端攻擊者可使用vSphere客戶端軟體(HTML5)藉由埠號443發送特製請求連線，利用此漏洞進而執行任意程式碼。

影響平台:
漏洞影響平台版本如下:
● vCenter Server 7.0版本至7.0U1c版本(不包含)
● vCenter Server 6.7版本至6.7U3l版本(不包含)
● vCenter Server 6.5版本至6.5U3n版本(不包含)
● Cloud Foundation (vCenter Server) 4.0版本至42版本(不包含)
● Cloud Foundation (vCenter Server) 3.0版本3.10.1.2版本(不包含)

建議措施:
VMware官方已發布平台修補版本並提供解決方案，請各機關聯絡設備維護廠商或參考以下網址進行更新：

1.https://www.vmware.com/security/advisories/VMSA-2021-0002.html

2.https://kb.vmware.com/s/article/82374

參考資料:
1.https://www.vmware.com/security/advisories/VMSA-2021-0002.html

2.https://www.ithome.com.tw/news/142930

3.https://blogs.juniper.net/en-us/threat-research/cve-2021-21972-vmware-vcenter-unauthorized-remote-code-execution

【漏洞預警】微軟Windows TCP/IP存在安全漏洞

2021/02/18

主旨:

內容說明：微軟Windows TCP/IP存在安全漏洞(CVE-2021-24074、CVE-2021-24094及CVE-2021-24086)，允許攻擊者遠端執行任意程式碼或造成服務阻斷，請儘速確認並進行更新！

內容說明:

轉發 行政院國家資通安全會報技術服務中心 資安訊息警訊 NISAC-ANA-202102-0902

研究人員發現微軟Windows TCP/IP存在安全漏洞 CVE-2021-24074、CVE-2021-24094及CVE-2021-24086，

可能遭受以下攻擊：

1. 遠端攻擊者可發送特製封包，利用CVE-2021-24074或CVE-2021-24094執行任意程式碼。

2. 遠端攻擊者可發送特製封包，利用CVE-2021-24086造成服務阻斷。

情資分享等級: WHITE(情資內容為可公開揭露之資訊)

影響平台:

受影響之Windows作業系統包含用戶端及伺服器版本，版本如下:
Windows Server, version 20H2 (Server Core Installation)
Windows 10 Version 20H2 for ARM64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for x64-based Systems
Windows Server, version 2004 (Server Core installation)
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows Server, version 1909 (Server Core installation)
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows Server 2012 R2 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 (Server Core installation)
Windows Server 2012
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows RT 8.1
Windows 8.1 for x64-based systems
Windows 8.1 for 32-bit systems
Windows 7 for x64-based Systems Service Pack 1
Windows 7 for 32-bit Systems Service Pack 1
Windows Server 2016 (Server Core installation)
Windows Server 2016
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 10 for 32-bit Systems
Windows Server 2019 (Server Core installation)
Windows Server 2019
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1803 for ARM64-based Systems
Windows 10 Version 1803 for x64-based Systems
Windows 10 Version 1803 for 32-bit Systems

建議措施:

1.目前微軟官方已針對此漏洞釋出更新程式，請各機關聯絡設備維護廠商或參考以下建議進行更新：

(1).https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24094

(2).https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24074

(3).https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24086

2.若無法立即更新，可參考官網公告採取緩解措施，並建議經測試再做調整。

(1)CVE-2021-24074執行官網因應措施中之PowerShell指令，停用IPv4之鬆散來源路由，防止攻擊者進行弱點利用，參考連結如下：https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24074

(2)CVE-2021-24086與CVE-2021-24094執行官網因應措施中之PowerShell指令，於邊界網路設備上停用IPv6分段，防止攻擊者進行弱點利用，參考連結如下：https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24086https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24094

參考資料:
1. https://msrc-blog.microsoft.com/2021/02/09/multiple-security-updates-affecting-tcp-ip/

2. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24094

3. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24074

4. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-24086

5. https://unit42.paloaltonetworks.com/cve-2021-24074-patch-tuesday/

6. https://www.ithome.com.tw/news/142717

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