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。
目前已知影響平台如下:
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