Code Execution Vulnerability in Yi Home Camera by Yi Technology
CVE-2018-3920

7.6HIGH

Key Information:

Vendor

Unknown

Status
Yi Technology
Vendor
CVE Published:
2 November 2018

What is CVE-2018-3920?

A vulnerability exists in the firmware update functionality of the Yi Home Camera, specifically in version 27US 1.8.7.0D. This flaw can be exploited via a specially crafted 7-Zip file which can trigger a CRC collision. When the camera processes this manipulated file, it may initiate a firmware update allowing unauthorized code execution. An attacker could exploit this by inserting an SD card containing the malicious 7-Zip file, thereby gaining access to the device's firmware and potentially executing arbitrary code.

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Affected Version(s)

Yi Technology Yi Technology Home Camera 27US 1.8.7.0D

References

https://www.talosintelligence.com/vulnerability_reports/T...
x_refsource_MISC

CVSS V3.1

Score:
7.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

CVSS V3.0

Score:
7.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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