Vulnerability CVE-2018-9445

Vulnerability Name:

CVE-2018-9445 (CCN-148256)

Assigned:

2018-08-13

Published:

2018-08-13

Updated:

2018-12-12

Summary:

In readMetadata of Utils.cpp, there is a possible path traversal bug due to a confused deputy. This could lead to local escalation of privilege when mounting a USB device with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-6.0 Android-6.0.1 Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android ID: A-80436257.

CVSS v3 Severity:

6.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
6.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Physical Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

4.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:U/RC:R)

Exploitability Metrics:	Attack Vector (AV): Physical Attack Complexity (AC): High Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): None

CVSS v2 Severity:

7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

4.0 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:N/C:C/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): High Athentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): None Availibility (A): None

Vulnerability Type:

CWE-22

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2018-9445

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1041432

Source: CCN
Type: Google Security Research Issue 1583
Android: directory traversal over USB via injection in blkid output

Source: XF
Type: UNKNOWN
android-cve20189445-dir-traversal(148256)

Source: CCN
Type: Packet Storm Security [08-13-2018]
Google Android USB Directory Traversal

Source: CCN
Type: Packet Storm Security [09-11-2018]
Android Privilege Escalation

Source: CONFIRM
Type: Patch, Vendor Advisory
https://source.android.com/security/bulletin/2018-08-01

Source: CCN
Type: Android Web site
Android

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [08-13-2018]

Source: EXPLOIT-DB
Type: Exploit, Patch, Third Party Advisory, VDB Entry
45192

Vulnerable Configuration:

Configuration 1:

cpe:/o:google:android:6.0:*:*:*:*:*:*:*

OR cpe:/o:google:android:6.0.1:*:*:*:*:*:*:*

OR cpe:/o:google:android:7.0:*:*:*:*:*:*:*

OR cpe:/o:google:android:7.1.1:*:*:*:*:*:*:*

OR cpe:/o:google:android:7.1.2:*:*:*:*:*:*:*

OR cpe:/o:google:android:8.0:*:*:*:*:*:*:*

OR cpe:/o:google:android:8.1:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/o:google:android:*:*:*:*:*:*:*:*

Denotes that component is vulnerable

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