Vulnerability CVE-2018-9543

Vulnerability Name:

CVE-2018-9543 (CCN-152974)

Assigned:

2018-11-05

Published:

2018-11-05

Updated:

2019-10-03

Summary:

In trim_device of f2fs_format_utils.c, it is possible that the data partition is not wiped during a factory reset. This could lead to local information disclosure after factory reset with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112868088.

CVSS v3 Severity:

5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)

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

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

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low 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:

2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)

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

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

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

Vulnerability Type:

CWE-200

Vulnerability Consequences:

Obtain Information

References:

Source: CCN
Type: Google Web site
Android

Source: MITRE
Type: CNA
CVE-2018-9543

Source: BID
Type: Third Party Advisory, VDB Entry
105849

Source: XF
Type: UNKNOWN
android-cve20189543-info-disc(152974)

Source: CCN
Type: Android Open Source Project
Android Security BulletinNovember 2018

Source: CONFIRM
Type: Patch, Vendor Advisory
https://source.android.com/security/bulletin/2018-11-01

Source: CONFIRM
Type: Not Applicable, Vendor Advisory
https://source.android.com/security/bulletin/2018-12-01

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-9543

Vulnerable Configuration:

Configuration 1:

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:*:*:*:*:*:*:*

OR cpe:/o:google:android:9.0:*:*:*:*:*:*:*

Configuration CCN 1:

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

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.disco:def:201895430000000	V	CVE-2018-9543 on Ubuntu 19.04 (disco) - untriaged.	2018-11-14
oval:com.ubuntu.bionic:def:20189543000	V	CVE-2018-9543 on Ubuntu 18.04 LTS (bionic) - untriaged.	2018-11-14
oval:com.ubuntu.cosmic:def:201895430000000	V	CVE-2018-9543 on Ubuntu 18.10 (cosmic) - untriaged.	2018-11-14
oval:com.ubuntu.cosmic:def:20189543000	V	CVE-2018-9543 on Ubuntu 18.10 (cosmic) - untriaged.	2018-11-14
oval:com.ubuntu.bionic:def:201895430000000	V	CVE-2018-9543 on Ubuntu 18.04 LTS (bionic) - untriaged.	2018-11-14
oval:com.ubuntu.trusty:def:20189543000	V	CVE-2018-9543 on Ubuntu 14.04 LTS (trusty) - untriaged.	2018-11-14
oval:com.ubuntu.xenial:def:201895430000000	V	CVE-2018-9543 on Ubuntu 16.04 LTS (xenial) - untriaged.	2018-11-14
oval:com.ubuntu.xenial:def:20189543000	V	CVE-2018-9543 on Ubuntu 16.04 LTS (xenial) - untriaged.	2018-11-14

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