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Conseils sécurité de Zscaler

Avis de sécurité - juillet 13, 2021

Zscaler protects against 2 new vulnerabilities for Adobe Acrobat and Reader.

Zscaler, working with Microsoft through their MAPP program, has proactively deployed protections for the following 2 vulnerabilities included in the July 2021 Adobe security bulletins. Zscaler will continue to monitor exploits associated with all vulnerabilities in the July release and deploy additional protections, as necessary.

APSB21-51 – Security updates available for Adobe Acrobat and Reader.

Adobe has released security updates for Adobe Acrobat and Reader for Windows and macOS. These updates address multiple critical and important vulnerabilities. Successful exploitation could lead to arbitrary code execution in the context of the current user.

Affected Software

  • Acrobat DC Continuous 2021.005.20054 and earlier versions for Windows and macOS
  • Acrobat Reader DC Continuous 2021.005.20054 and earlier versions for Windows and macOS
  • Acrobat 2020 Classic 2020 2020.004.30005 and earlier versions for Windows & macOS
  • Acrobat Reader 2020 Classic 2020 2020.004.30005 and earlier versions for Windows & macOS
  • Acrobat 2017 Classic 2017 2017.011.30197 and earlier versions for Windows & macOS
  • Acrobat Reader 2017 Classic 2017 2017.011.30197 and earlier versions for Windows & macOS

CVE-2021-28635 – Use After Free leading to Arbitrary code execution.

Severity: Critical

CVE-2021-28640 – Use After Free leading to Arbitrary code execution.

Severity: Critical