Vulnerability CVE-2014-9870

Vulnerability Name:

CVE-2014-9870 (CCN-116264)

Assigned:

2015-08-21

Published:

2015-08-21

Updated:

2016-11-28

Summary:

The Linux kernel before 3.11 on ARM platforms, as used in Android before 2016-08-05 on Nexus 5 and 7 (2013) devices, does not properly consider user-space access to the TPIDRURW register, which allows local users to gain privileges via a crafted application, aka Android internal bug 28749743 and Qualcomm internal bug CR561044.

CVSS v3 Severity:

7.8 High (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 (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

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:

9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium 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: MITRE
Type: CNA
CVE-2014-9870

Source: CONFIRM
Type: Issue Tracking, Patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4780adeefd042482f624f5e0d577bf9cdcbb760

Source: CCN
Type: Android Open Source Project
Android Security BulletinAugust 2016

Source: CONFIRM
Type: Vendor Advisory
http://source.android.com/security/bulletin/2016-08-01.html

Source: BID
Type: UNKNOWN
92219

Source: CCN
Type: BID-92219
Google Nexus Qualcomm Components Multiple Privilege Escalation Vulnerabilities

Source: XF
Type: UNKNOWN
android-cve20149870-priv-esc(116264)

Source: CONFIRM
Type: Issue Tracking, Patch
https://github.com/torvalds/linux/commit/a4780adeefd042482f624f5e0d577bf9cdcbb760

Source: CONFIRM
Type: Issue Tracking, Patch
https://source.codeaurora.org/quic/la/kernel/msm/commit/?id=4f57652fcd2dce7741f1ac6dc0417e2f265cd1de

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2014-9870

Vulnerable Configuration:

Configuration 1:

cpe:/o:google:android:*:*:*:*:*:*:*:* (Version <= 6.0.1)

OR cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 3.10.101)

Configuration CCN 1:

cpe:/h:google:nexus_5:-:*:*:*:*:*:*:*

OR cpe:/h:google:nexus_7:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.precise:def:20149870000	V	CVE-2014-9870 on Ubuntu 12.04 LTS (precise) - medium.	2016-08-06
oval:com.ubuntu.trusty:def:20149870000	V	CVE-2014-9870 on Ubuntu 14.04 LTS (trusty) - medium.	2016-08-06
oval:com.ubuntu.xenial:def:20149870000	V	CVE-2014-9870 on Ubuntu 16.04 LTS (xenial) - medium.	2016-08-06
oval:com.ubuntu.xenial:def:201498700000000	V	CVE-2014-9870 on Ubuntu 16.04 LTS (xenial) - medium.	2016-08-06

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