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zdiDaan Keuper and Thijs Alkemade from ComputestZDI-21-971
HistoryAug 17, 2021 - 12:00 a.m.

(Pwn2Own) Zoom Heap based Buffer Overflow Remote Code Execution Vulnerability

2021-08-1700:00:00
Daan Keuper and Thijs Alkemade from Computest
www.zerodayinitiative.com
58

0.021 Low

EPSS

Percentile

89.1%

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Zoom Clients. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of encrypted messages. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user.

0.021 Low

EPSS

Percentile

89.1%

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