Description

The ASUS ZenFone 3 Max Android device with a build fingerprint of asus/US_Phone/ASUS_X008_1:7.0/NRD90M/US_Phone-14.14.1711.92-20171208:user/release-keys contains a pre-installed platform app with a package name of com.asus.dm (versionCode=1510500200, versionName=1.5.0.40_171122) has an exposed interface in an exported service named com.asus.dm.installer.DMInstallerService that allows any app co-located on the device to use its capabilities to download an arbitrary app over the internet and install it. Any app on the device can send an intent with specific embedded data that will cause the com.asus.dm app to programmatically download and install the app. For the app to be downloaded and installed, certain data needs to be provided: download URL, package name, version name from the app's AndroidManifest.xml file, and the MD5 hash of the app. Moreover, any app that is installed using this method can also be programmatically uninstalled using the same unprotected component named com.asus.dm.installer.DMInstallerService.

Severity

 

CVSS Version 3.x CVSS Version 2.0

CVSS 3.x Severity and Metrics:

NIST: NVD

Base Score:  5.5 MEDIUM

Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

CVSS 2.0 Severity and Metrics:

NIST: NVD

Base Score:  2.1 LOW

Vector:  (AV:L/AC:L/Au:N/C:N/I:P/A:N)

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://www.kryptowire.com/portal/android-firmware-defcon-2018/	Vendor Advisory
https://www.kryptowire.com/portal/wp-content/uploads/2018/12/DEFCON-26-Johnson-and-Stavrou-Vulnerable-Out-of-the-Box-An-Eval-of-Android-Carrier-Devices-WP-Updated.pdf	Exploit  Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

CWE Remap by NIST 8/24/2020 1:37:01 PM

Action	Type	Old Value	New Value
Changed	CWE	CWE-254	NVD-CWE-noinfo

Initial Analysis by NIST 2/19/2019 9:13:04 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR *cpe:2.3:o:asus:zenfone_3_max_firmware:1.5.0.40:*:*:*:*:*:*:* OR cpe:2.3:h:asus:zenfone_3_max:-:*:*:*:*:*:*:*
Added	CVSS V2		(AV:L/AC:L/Au:N/C:N/I:P/A:N)
Added	CVSS V3		AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Added	CWE		CWE-254
Changed	Reference Type	https://www.kryptowire.com/portal/android-firmware-defcon-2018/ No Types Assigned	https://www.kryptowire.com/portal/android-firmware-defcon-2018/ Vendor Advisory
Changed	Reference Type	https://www.kryptowire.com/portal/wp-content/uploads/2018/12/DEFCON-26-Johnson-and-Stavrou-Vulnerable-Out-of-the-Box-An-Eval-of-Android-Carrier-Devices-WP-Updated.pdf No Types Assigned	https://www.kryptowire.com/portal/wp-content/uploads/2018/12/DEFCON-26-Johnson-and-Stavrou-Vulnerable-Out-of-the-Box-An-Eval-of-Android-Carrier-Devices-WP-Updated.pdf Exploit, Vendor Advisory