Arbitrary Code Execution Vulnerability in Samsung Mobile Devices
CVE-2017-18020

8.4HIGH

Key Information:

Vendor

Samsung
Status
Samsung Mobile
Vendor
CVE Published:
4 January 2018

What is CVE-2017-18020?

On Samsung mobile devices running Lollipop (5.x), Marshmallow (6.x), and Nougat (7.x) operating systems utilizing Exynos chipsets, a security flaw exists in the S Boot. The vulnerability arises from a lack of size verification when transferring ramfs data into memory, enabling potential attackers to execute arbitrary code within the bootloader.

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References

https://security.samsungmobile.com/securityUpdate.smsb
x_refsource_CONFIRM

CVSS V3.1

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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