CVE-2018-21089 — CRITICAL (9.8)

Vulnerability Description

An issue was discovered on Samsung mobile devices with N(7.x) (MT6755/MT6757 Mediatek models) software. Bootloader has an integer overflow that leads to arbitrary code execution via the download offset control. The Samsung ID is SVE-2017-10732 (January 2018).

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	7.0
Mediatek	Mt6755	-
Mediatek	Mt6757	-

Related Weaknesses (CWE)

CWE-190

References

https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory

FAQ

What is CVE-2018-21089?

CVE-2018-21089 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered on Samsung mobile devices with N(7.x) (MT6755/MT6757 Mediatek models) software. Bootloader has an integer overflow that leads to arbitrary code execution via the download offse...

How severe is CVE-2018-21089?

CVE-2018-21089 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-21089?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android, Mediatek Mt6755, Mediatek Mt6757.