描述:
Adobe 發布了數個安全更新,以應對於 Adobe Flash Player 及 Adobe Reader/Acrobat 的多個漏洞。遠端攻擊者可誘使目標用戶開啓包含特製內容的PDF檔案、網頁、 Flash 檔案或含 Flash 惡意內容的文件來攻擊這些漏洞。
Adobe 亦宣布將在2020年底停止向Adobe Flash提供支援,在這之後也不會再提供安全更新。用戶應安排轉致其他支援的技術。
受影響的系統:
- Adobe Flash Player Desktop Runtime (Windows 及 macOS) 32.0.0.321 和之前版本
- Adobe Flash Player Desktop Runtime (Linux 32.0.0.314) 和之前版本
- Adobe Flash Player for Google Chrome (Windows, macOS, Linux 及 Chrome OS) 32.0.0.321 和之前版本
- Adobe Flash Player (Microsoft Edge 及 Internet Explorer 11) (Windows 10 及 8.1) 32.0.0.255 和之前版本
- Acrobat DC (Windows 及 macOS) Continuous 2019.021.20061and earlier versions
- Acrobat Reader DC (Windows 及 macOS) Continuous 2019.021.20061和之前版本
- Acrobat 2017 (Windows) Classic 2017 2017.011.30156和之前版本
- Acrobat Reader 2017 (macOS) Classic 2017 2017.011.30156和之前版本
- Acrobat 2015 (Windows 及 macOS) Classic 2015 2015.006.30508和之前版本
- Acrobat Reader 2015 (Windows 及 macOS) Classic 2015 2015.006.30508和之前版本
影響:
成功利用這些漏洞可導致受影響的系統任意執行程式碼、權限提升或泄漏資訊,視乎攻擊者利用哪個漏洞而定。
建議:
受影響系統的用戶應更新Adobe Flash Player及 Adobe Reader/Acrobat 至以下版本以應對以上問題。更新可透過產品本身的自動更新裝置或下列網址更新其軟件:
- Adobe Flash Player Desktop Runtime (Windows, macOS 及 Linux) 32.0.0.330
https://get.adobe.com/flashplayer/
https://www.adobe.com/products/players/flash-player-distribution.html
- Adobe Flash Player (Google Chrome) (Windows, macOS, Linux, 及 Chrome OS) 32.0.0.330
https://chromereleases.googleblog.com/
- Adobe Flash Player (Microsoft Edge 及 Internet Explorer 11) (Windows 10 及 8.1) 32.0.0.330
https://portal.msrc.microsoft.com/en-US/sec
- Acrobat DC (Windows 及 macOS) Continuous 2020.006.20034
- Acrobat Reader DC (Windows 及 macOS) Continuous 2020.006.20034
- Acrobat 2017 (Windows 及 macOS) Classic 20172017.011.30158
- Acrobat Reader 2017 (Windows 及 macOS) Classic 2017 2017.011.30158
- Acrobat 2015 (Windows 及 macOS) Classic 2015 2015.006.30510
- Acrobat Reader 2015 (Windows 及 macOS) Classic 2015 2015.006.30510
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Mac
若安裝了多個瀏覽器,系統中每個瀏覽器均須更新。Adobe Flash Player 的版本可在以下網址確認:
http://www.adobe.com/software/flash/about/
進一步資訊:
https://helpx.adobe.com/security/products/acrobat/apsb20-05.html
https://helpx.adobe.com/security/products/flash-player/apsb20-06.html
https://www.hkcert.org/my_url/zh/alert/20021202
https://www.us-cert.gov/ncas/current-activity/2020/02/11/adobe-releases-security-updates-multiple-products
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3742 (to CVE-2020-3757)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3762
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3763