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 及 macOS) Continuous 2021.005.20054 和之前版本
- Acrobat Reader DC (Windows 及 macOS) Continuous 2021.005.20054 和之前版本
- Acrobat 2020 (Windows 及 macOS) Classic 2020 2020.004.30005 和之前版本
- Acrobat Reader 2020 (Windows 及 macOS) Classic 2020 2020.004.30005 和之前版本
- Acrobat 2017 (Windows 及 macOS) Classic 2017 2017.011.30197 和之前版本
- Acrobat Reader 2017 (Windows 及 macOS) Classic 2017 2017.011.30197 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、篡改、泄漏资讯及服务受阻断。
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 2021.005.20058
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
- Acrobat Reader DC (Windows 及 macOS) Continuous 2021.005.20058
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
- Acrobat 2020 (Windows 及 macOS) Classic 2020 2020.004.30006
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#classic-track
- Acrobat Reader 2020 (Windows 及 macOS) Classic 2020 2020.004.30006
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#classic-track
- Acrobat 2017 (Windows 及 macOS) Classic 2017 2017.011.30199
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#id3
- Acrobat Reader 2017 (Windows 及 macOS) Classic 2017 2017.011.30199
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#id3
进一步信息:
- https://helpx.adobe.com/security/products/acrobat/apsb21-51.html
- https://www.hkcert.org/tc/security-bulletin/adobe-monthly-security-update-july-2021
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28635
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28639
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28641
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28644
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35980
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35981
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35983 (to CVE-2021-35985)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35987
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35988