Security Alert (A21-06-03) Multiple Vulnerabilities in Adobe Reader/Acrobat


 

Published on: 09 June 2021

  
  

Description:

Security updates are released for Adobe Reader and Acrobat to address multiple vulnerabilities. A remote attacker would entice a targeted user to open a specially crafted PDF file to exploit the vulnerabilities.

 

Affected Systems:

  • Acrobat DC for Windows and macOS Continuous 2021.001.20155 and earlier versions 
  • Acrobat Reader DC for Windows and macOS Continuous 2021.001.20155 and earlier versions
  • Acrobat 2020 for Windows and macOS Classic 2020 2020.001.30025 and earlier versions
  • Acrobat Reader 2020 for Windows and macOS Classic 2020 2020.001.30025 and earlier versions
  • Acrobat 2017 for Windows and macOS Classic 2017 2017.011.30196  and earlier versions 
  • Acrobat Reader 2017 for Windows and macOS Classic 2017 2017.011.30196 and earlier versions

 

Impact:

A successful exploitation could lead to arbitrary code execution on an affected system.

 

Recommendation:

Users of affected systems should update the Adobe Reader and Acrobat to the following versions to address the issue. The updates can be obtained by using the auto-update mechanism or by downloading at the following URLs:

  • Acrobat DC for Windows and macOS Continuous 2021.005.20048
    https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
  • Acrobat Reader DC for Windows and macOS Continuous 2021.005.20048
    https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
  • Acrobat 2020 for Windows and macOS Classic 2020 2020.004.30005<
    https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#classic-track
  • Acrobat Reader 2020 for Windows and macOS Classic 2020 2020.004.30005
    https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#classic-track
  • Acrobat 2017 for Windows and macOS Classic 2017 2017.011.30197
    https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#id3
  • Acrobat Reader 2017 for Windows and macOS Classic 2017 2017.011.30197
    https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#id3

 

More Information:

  • https://helpx.adobe.com/security/products/acrobat/apsb21-37.html
  • https://www.hkcert.org/security-bulletin/adobe-monthly-security-update-jun-2021
  • https://us-cert.cisa.gov/ncas/current-activity/2021/06/08/adobe-releases-security-updates-multiple-products
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28551
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28552
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28554
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28631
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28632


Tag: Adobe , Acrobat , Acrobat Reader , Adobe Reader
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