CVE-2019-15027

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The MediaTek Embedded Multimedia Card (eMMC) subsystem for Android on MT65xx, MT66xx, and MT8163 SoC devices allows attackers to execute arbitrary commands as root via shell metacharacters in a filename under /data, because clear_emmc_nomedia_entry in platform/mt6577/external/meta/emmc/meta_clr_emmc.c invokes 'system("/system/bin/rm -r /data/' followed by this filename upon an eMMC clearance from a Meta Mode boot. NOTE: compromise of Fire OS on the Amazon Echo Dot would require a second hypothetical vulnerability that allows creation of the required file under /data.

El subsistema MediaTek Embedded Multimedia Card (eMMC) para Android sobre dispositivos SoC MT65xx, MT66xx y MT8163, permite a atacantes ejecutar comandos arbitrarios como root por medio de metacaracteres de shell en un nombre de archivo bajo /data, porque la función clear_emmc_nomedia_entry en el archivo plataforma/mt6577/external/meta/emmc/meta_clr_emmc.c invoca "system("/system/bin/rm -r /data/" seguido de este nombre de archivo luego de una autorización de eMMC de un arranque en Modo Meta. NOTA: el compromiso del Fire OS en Amazon Echo Dot requeriría una segunda vulnerabilidad hipotética que permite la creación del archivo requerido bajo /data.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-08-13 CVE Reserved
2019-08-14 CVE Published
2023-07-21 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CAPEC

References (2)

URL	Tag	Source
https://github.com/andr3jx/MTK6577/blob/238012ebf18e3751397884d1742ff7ab6417e80d/mediatek/platform/mt6577/external/meta/emmc/meta_clr_emmc.c#L302-L305	Third Party Advisory

URL	Date	SRC
https://dojo.bullguard.com/dojo-by-bullguard/blog/gaining-rooting-primitives-for-android-mediatek-chips	2024-08-05

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mediatek Search vendor "Mediatek"	Mt8163 Firmware Search vendor "Mediatek" for product "Mt8163 Firmware"	-	android	Affected	in	Mediatek Search vendor "Mediatek"	Mt8163 Search vendor "Mediatek" for product "Mt8163"	-	android	Safe
Mediatek Search vendor "Mediatek"	Mt6625 Firmware Search vendor "Mediatek" for product "Mt6625 Firmware"	-	android	Affected	in	Mediatek Search vendor "Mediatek"	Mt6625 Search vendor "Mediatek" for product "Mt6625"	-	android	Safe
Mediatek Search vendor "Mediatek"	Mt6577 Firmware Search vendor "Mediatek" for product "Mt6577 Firmware"	-	android	Affected	in	Mediatek Search vendor "Mediatek"	Mt6577 Search vendor "Mediatek" for product "Mt6577"	-	android	Safe