Description

The Coolpad Canvas device with a build fingerprint of Coolpad/cp3636a/cp3636a:7.0/NRD90M/093031423:user/release-keys contains a platform app with a package name of com.qualcomm.qti.modemtestmode (versionCode=24, versionName=7.0) that contains an exported service app component named com.qualcomm.qti.modemtestmode.MbnTestService that allows any app on the device to set certain system properties as the com.android.phone user. When an app sets the persist.service.logr.enable system property to a value of 1, an app with a package name of com.yulong.logredirect (versionCode=20160622, versionName=5.25_20160622_01) will start writing the system-wide logcat log, kernel log, and a tcpdump network traffic capture to external storage. Furthermore, on the Coolpad Canvas device, the com.android.phone app writes the destination phone number and body of the text message for outgoing text messages. A notification when logging can be avoided if the log is enabled after device startup and disabled prior to device shutdown by setting the system properties using the exported interface of the com.qualcomm.qti.modemtestmode app. Any app with the READ_EXTERNAL_STORAGE permission can access the log files.

Metrics

 

CVSS Version 4.0 CVSS Version 3.x CVSS Version 2.0

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score:  5.9 MEDIUM

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

CVSS 2.0 Severity and Vector Strings:

NIST: NVD

Base Score:  4.3 MEDIUM

Vector:  (AV:N/AC:M/Au:N/C:P/I:N/A:N)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://www.kryptowire.com/portal/android-firmware-defcon-2018/	Exploit  Third Party 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  Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-532	Insertion of Sensitive Information into Log File	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

CVE Modified by MITRE 5/14/2024 1:03:05 AM

Action	Type	Old Value	New Value

Initial Analysis by NIST 2/07/2019 12:34:43 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR *cpe:2.3:o:coolpad:canvas_firmware:7.0:*:*:*:*:*:*:* OR cpe:2.3:h:coolpad:canvas:-:*:*:*:*:*:*:*
Added	CVSS V2		(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Added	CVSS V3		AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Added	CWE		CWE-532
Changed	Reference Type	https://www.kryptowire.com/portal/android-firmware-defcon-2018/ No Types Assigned	https://www.kryptowire.com/portal/android-firmware-defcon-2018/ Exploit, Third Party 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, Third Party Advisory