Cyber Risks · Cisco Talos

Vulnerability Spotlight: Remote code execution vulnerabilities in Adobe Acrobat Reader

Summary: Cisco Talos discovered two remote code execution vulnerabilities in Adobe Acrobat Reader DC 2020.006.20034, both in how the software handles destruction of annotations from inside event handlers. Opening a malicious PDF or web page can trigger heap corruption (CVE-2020-9607) or out-of-bounds memory access (CVE-2020-9609) that, with careful memory manipulation, can lead to arbitrary code execution. Talos worked with Adobe under its coordinated disclosure policy to resolve the issues and release an update.

Key Takeaway: Both flaws are triggered by a user simply opening a file or page, and Talos confirmed version 2020.006.20034 is affected - so any fleet still on that build is exposed until the Adobe update is applied.

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Topics
Vulnerabilities & Patching
Mentions
CVE-2020-9607CVE-2020-9609
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