National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-15027 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 9.8 CRITICAL
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://dojo.bullguard.com/dojo-by-bullguard/blog/gaining-rooting-primitives-for-android-mediatek-chips/ Exploit Third Party Advisory
https://github.com/andr3jx/MTK6577/blob/238012ebf18e3751397884d1742ff7ab6417e80d/mediatek/platform/mt6577/external/meta/emmc/meta_clr_emmc.c#L302-L305 Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection') NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:mediatek:mt8163_firmware:-:*:*:*:*:android:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:mediatek:mt8163:-:*:*:*:*:android:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:mediatek:mt6625_firmware:-:*:*:*:*:android:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:mediatek:mt6625:-:*:*:*:*:android:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:mediatek:mt6577_firmware:-:*:*:*:*:android:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:h:mediatek:mt6577:-:*:*:*:*:android:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-15027
NVD Published Date:
08/14/2019
NVD Last Modified:
08/27/2019