描述:
有关 Adobe Reader 及 Acrobat 的安全更新已发布，以应对数个漏洞。远端攻击者可诱使目标用户开啓特製的 PDF 档案来攻击这些漏洞。
受影响的系统:
- 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
影响:
成功利用这些漏洞可在受影响的系统导致执行任意程式码或权限提升。
建议:
受影响系统的用户应更新Adobe Reader 及 Acrobat至以下版本以应对以上问题。更新可透过产品本身的自动更新或从下列网址下载:
- 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
进一步信息:
- 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)