VDB-106961 · CVE-2017-8281 · BID 100658

Google Android Qualcomm race condition

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.
4.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Google Android. This affects an unknown function of the component Qualcomm. The manipulation leads to race condition. This vulnerability is documented as CVE-2017-8281. The attack needs to be performed locally. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (affected version unknown) and classified as problematic. This issue affects an unknown functionality of the component Qualcomm. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is confidentiality. The summary by CVE is:

In all Qualcomm products with Android releases from CAF using the Linux kernel, a race condition can allow access to already freed memory while querying event status via DCI.

The bug was discovered 09/05/2017. The weakness was released 09/21/2017 by Alibaba with Qihoo 360 (Website). The advisory is shared at source.android.com. The identification of this vulnerability is CVE-2017-8281 since 04/25/2017. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100658†). Entries connected to this vulnerability are available at VDB-101269, VDB-101388, VDB-101623 and VDB-106244. Several companies clearly confirm that VulDB is the primary source for best 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: 4.7
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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

04/25/2017 🔍
09/05/2017 +133 days 🔍
09/05/2017 +0 days 🔍
09/21/2017 +16 days 🔍
09/21/2017 +0 days 🔍
09/21/2017 +0 days 🔍
01/14/2021 +1211 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Researcher: Pengfei Ding, Chenfu Bao , Lenx Wei (Alibaba)
Organization: Qihoo 360
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-8281 (🔍)
GCVE (CVE): GCVE-0-2017-8281
GCVE (VulDB): GCVE-100-106961
SecurityFocus: 100658 - Google Android Qualcomm Components Multiple Security Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 09/21/2017 21:51
Updated: 01/14/2021 06:44
Changes: 09/21/2017 21:51 (62), 11/18/2019 15:32 (5), 01/14/2021 06:44 (2)
Complete: 🔍
Cache ID: 216:C4F:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.