保安警报 (A21-09-13): Adobe Reader/Acrobat 多个漏洞

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 2021.005.20060 和之前版本 
• Acrobat Reader DC (Windows) Continuous 2021.005.20060 和之前版本
• Acrobat DC (macOS) Continuous 2021.005.20058 和之前版本
• Acrobat Reader DC (macOS) Continuous 2021.005.20058 和之前版本
• Acrobat 2020 (Windows 及 macOS) Classic 2020 2020.004.30006 和之前版本 
• Acrobat Reader 2020 (Windows 及 macOS) Classic 2020 2020.004.30006 和之前版本
• Acrobat 2017 (Windows 及 macOS) Classic 2017 2017.011.30199 和之前版本
• Acrobat Reader 2017 (Windows 及 macOS) Classic 2017 2017.011.30199 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、服务受阻断或泄漏资讯。

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机制或下列网址更新其软件:

• Acrobat DC (Windows 及 macOS) Continuous 2021.007.20091
  https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
• Acrobat Reader DC (Windows 及 macOS) Continuous 2021.007.20091
  https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
• Acrobat 2020 (Windows 及 macOS) Classic 2020 2020.004.30015
  https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#classic-track
• Acrobat Reader 2020 (Windows 及 macOS) Classic 2020 2020.004.30015
  https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#classic-track
• Acrobat 2017 (Windows 及 macOS) Classic 2017 2017.011.30202
  https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#id3
• Acrobat Reader 2017 (Windows 及 macOS) Classic 2017 2017.011.30202
  https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#id3

进一步信息:

• https://helpx.adobe.com/security/products/acrobat/apsb21-55.html
• https://www.hkcert.org/tc/security-bulletin/adobe-monthly-security-update-september-2021
• https://us-cert.cisa.gov/ncas/current-activity/2021/09/14/adobe-releases-security-updates-multiple-products
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35982
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39836 (to CVE-2021-39846)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39849 (to CVE-2021-39861)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39863