Vulnerability CVE-2018-9518

Vulnerability Name:

CVE-2018-9518 (CCN-154089)

Assigned:

2018-09-04

Published:

2018-09-04

Updated:

2019-01-02

Summary:

In nfc_llcp_build_sdreq_tlv of llcp_commands.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-73083945.

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/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): High Availibility (A): High

8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/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): High Availibility (A): High

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

7.2 High (CCN 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 Athentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-787

Vulnerability Consequences:

Gain Privileges

References:

Source: CCN
Type: Google Web site
Android

Source: MITRE
Type: CNA
CVE-2018-9518

Source: CCN
Type: IBM Security Bulletin 843434 (API Connect)
IBM API Connect has addressed multiple vulnerabilities in Developer Portal's dependencies - Cumulative list from June 28, 2018 to December 13, 2018

Source: XF
Type: UNKNOWN
android-cve20189518-priv-esc(154089)

Source: CCN
Type: Android Open Source Project
Pixel/Nexus Security BulletinSeptember 2018

Source: CONFIRM
Type: Vendor Advisory
https://source.android.com/security/bulletin/pixel/2018-09-01

Source: UBUNTU
Type: Patch, Third Party Advisory
USN-3798-1

Source: UBUNTU
Type: Third Party Advisory
USN-3798-2

Vulnerable Configuration:

Configuration 1:

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

Configuration 2:

cpe:/o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*

OR cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*

Configuration CCN 1:

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

AND

cpe:/a:ibm:api_connect:5.0.8.0:*:*:*:*:*:*:*

OR cpe:/a:ibm:api_connect:5.0.8.4:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.bionic:def:20189518000	V	CVE-2018-9518 on Ubuntu 18.04 LTS (bionic) - medium.	2018-12-07
oval:com.ubuntu.cosmic:def:201895180000000	V	CVE-2018-9518 on Ubuntu 18.10 (cosmic) - medium.	2018-12-07
oval:com.ubuntu.cosmic:def:20189518000	V	CVE-2018-9518 on Ubuntu 18.10 (cosmic) - medium.	2018-12-07
oval:com.ubuntu.bionic:def:201895180000000	V	CVE-2018-9518 on Ubuntu 18.04 LTS (bionic) - medium.	2018-12-07
oval:com.ubuntu.trusty:def:20189518000	V	CVE-2018-9518 on Ubuntu 14.04 LTS (trusty) - medium.	2018-12-07
oval:com.ubuntu.xenial:def:201895180000000	V	CVE-2018-9518 on Ubuntu 16.04 LTS (xenial) - medium.	2018-12-07
oval:com.ubuntu.xenial:def:20189518000	V	CVE-2018-9518 on Ubuntu 16.04 LTS (xenial) - medium.	2018-12-07

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