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ID

VAR-202004-2329


TITLE

(Pwn2Own) Amazon Echo Show Integer Overflow Remote Code Execution Vulnerability

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sources: ZDI: ZDI-20-537

DESCRIPTION

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Amazon Echo Show. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.The specific flaw exists within the handling of arrays. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

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sources: ZDI: ZDI-20-537

AFFECTED PRODUCTS

vendor:amazonmodel:echo showscope: - version: -

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sources: ZDI: ZDI-20-537

CVSS

SEVERITY

CVSSV2

CVSSV3

ZDI: ZDI-20-537
value: HIGH

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ZDI: ZDI-20-537
baseSeverity: HIGH
baseScore: 8.8
vectorString: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.0

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sources: ZDI: ZDI-20-537

EXTERNAL IDS

db:ZDI_CANid:ZDI-CAN-9644

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db:ZDIid:ZDI-20-537

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sources: ZDI: ZDI-20-537

CREDITS

fluoroacetate

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sources: ZDI: ZDI-20-537

SOURCES

db:ZDIid:ZDI-20-537

LAST UPDATE DATE

2022-05-17T02:05:47.026000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-20-537date:2020-04-16T00:00:00

SOURCES RELEASE DATE

db:ZDIid:ZDI-20-537date:2020-04-16T00:00:00