Vulnerability CVE-2016-8421

Vulnerability Name:

CVE-2016-8421 (CCN-122586)

Assigned:

2016-10-05

Published:

2017-02-06

Updated:

2017-07-25

Summary:

An elevation of privilege vulnerability in the Qualcomm Wi-Fi driver could enable a local malicious application to execute arbitrary code within the context of the kernel. This issue is rated as High because it first requires compromising a privileged process. Product: Android. Versions: Kernel-3.10, Kernel-3.18. Android ID: A-32451104. References: QC-CR#1087797.

CVSS v3 Severity:

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

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

7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

7.6 High (CVSS v2 Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C)

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

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

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-264

Vulnerability Consequences:

Gain Privileges

References:

Source: CCN
Type: Google Web site
Android

Source: MITRE
Type: CNA
CVE-2016-8421

Source: BID
Type: Third Party Advisory, VDB Entry
96047

Source: CCN
Type: BID-96047
Google Nexus/ Pixel Products Qualcomm Wi-Fi Driver Multiple Privilege Escalation Vulnerabilities

Source: SECTRACK
Type: UNKNOWN
1037798

Source: XF
Type: UNKNOWN
android-cve20168421-priv-esc(122586)

Source: CCN
Type: Android Open Source Project
Android Security BulletinFebruary 2017

Source: CONFIRM
Type: Vendor Advisory
https://source.android.com/security/bulletin/2017-02-01.html

Vulnerable Configuration:

Configuration 1:

cpe:/o:google:android:*:*:*:*:*:*:*:* (Version <= 7.1.1)

OR cpe:/o:linux:linux_kernel:3.10:*:*:*:*:*:*:*

OR cpe:/o:linux:linux_kernel:3.18:*:*:*:*:*:*:*

Configuration CCN 1:

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

OR cpe:/h:google:nexus_5x:-:*:*:*:*:*:*:*

OR cpe:/h:google:pixel:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.trusty:def:20168421000	V	CVE-2016-8421 on Ubuntu 14.04 LTS (trusty) - medium.	2017-02-08
oval:com.ubuntu.xenial:def:20168421000	V	CVE-2016-8421 on Ubuntu 16.04 LTS (xenial) - medium.	2017-02-08
oval:com.ubuntu.xenial:def:201684210000000	V	CVE-2016-8421 on Ubuntu 16.04 LTS (xenial) - medium.	2017-02-08

BACK