描述:
有關 Adobe Reader 及 Acrobat 的安全更新已發布,以應對數個漏洞。遠端攻擊者可誘使目標用戶開啓特製的 PDF 檔案來攻擊這些漏洞。
受影響的系統:
- Acrobat DC (Windows) Continuous 21.007.20095 和之前版本
- Acrobat Reader DC (Windows) Continuous 21.007.20095 和之前版本
- Acrobat DC (macOS) Continuous 21.007.20096 和之前版本
- Acrobat Reader DC (macOS) Continuous 21.007.20096 和之前版本
- Acrobat 2020 (Windows 及 macOS) Classic 2020 20.004.30015 和之前版本
- Acrobat Reader 2020 (Windows 及 macOS) Classic 2020 20.004.30015 和之前版本
- Acrobat 2017 (Windows 及 macOS) Classic 2017 17.011.30202 和之前版本
- Acrobat Reader 2017 (Windows 及 macOS) Classic 2017 17.011.30202 和之前版本
影響:
成功利用這些漏洞可在受影響的系統導致執行任意程式碼或權限提升。
建議:
受影響系統的用戶應更新Adobe Reader 及 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或從下列網址下載:
- Acrobat DC (Windows 及 macOS) Continuous 21.007.20099
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
- Acrobat Reader DC (Windows 及 macOS) Continuous 21.007.20099
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
- Acrobat 2020 (Windows 及 macOS) Classic 2020 20.004.30017
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#classic-track
- Acrobat Reader 2020 (Windows 及 macOS) Classic 2020 20.004.30017
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#classic-track
- Acrobat 2017 (Windows 及 macOS) Classic 2017 17.011.30204
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#id3
- Acrobat Reader 2017 (Windows 及 macOS) Classic 2017 17.011.30204
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#id3
進一步資訊:
- https://helpx.adobe.com/security/products/acrobat/apsb21-104.html
- https://www.hkcert.org/tc/security-bulletin/adobe-monthly-security-update-october-2021
- https://us-cert.cisa.gov/ncas/current-activity/2021/10/12/adobe-releases-security-updates-multiple-products
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40728 (to CVE-2021-40731)