VDB-114692 · CVE-2017-15814 · GCVE-0-2017-15814

Google Android Linux Kernel msm_flash.c out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Google Android and classified as problematic. The affected element is an unknown function of the file drivers/media/platform/msm/camera_v2/sensor/flash/msm_flash.c of the component Linux Kernel. Such manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2017-15814. Local access is required to approach this attack. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (the affected version is unknown) and classified as problematic. Affected by this issue is an unknown code of the file drivers/media/platform/msm/camera_v2/sensor/flash/msm_flash.c of the component Linux Kernel. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. CVE summarizes:

In Android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, in msm_flash_subdev_do_ioctl of drivers/media/platform/msm/camera_v2/sensor/flash/msm_flash.c, there is a possible out of bounds read if flash_data.cfg_type is CFG_FLASH_INIT due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

The bug was discovered 03/05/2018. The weakness was disclosed 03/16/2018 (Website). The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2017-15814 since 10/24/2017. The attack needs to be approached locally. A simple authentication is needed for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

The entries VDB-114374, VDB-114376, VDB-114377 and VDB-114686 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Google

Name

Android

License

free

Website

Vendor: https://www.google.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.8

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/24/2017 🔍
03/05/2018 +132 days 🔍
03/16/2018 +11 days 🔍
03/16/2018 +0 days 🔍
03/17/2018 +1 days 🔍
05/31/2020 +806 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-15814 (🔍)
GCVE (CVE): GCVE-0-2017-15814
GCVE (VulDB): GCVE-100-114692
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 03/17/2018 11:36
Updated: 05/31/2020 11:25
Changes: 03/17/2018 11:36 (60), 05/31/2020 11:25 (2)
Complete: 🔍
Cache ID: 216:27A:103