Cyber Risks · Cisco Talos

Vulnerability Spotlight: Two vulnerabilities in Zoom could lead to code execution

Summary: Cisco Talos discovered two vulnerabilities in Zoom Client version 4.6.10 that could allow a malicious user to execute arbitrary code on victims' machines. TALOS-2020-1056, a path traversal flaw in the processing of messages containing animated GIFs, was fixed in May, while TALOS-2020-1055, a partial path traversal in the handling of shared code snippets, was fixed server-side but Talos believes still requires a client-side fix.

Bottom line: Both flaws are triggered by a specially crafted chat message sent to a target user or group, meaning the attack arrives through the same chat feature employees use every day, and one of the two fixes is still incomplete on the client side.

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Topics
Vulnerabilities & Patching
Mentions
CVE-2020-6110
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