VDB-116500 · CVE-2016-10439 · BID 103671

Google Android on Qualcomm HLOS race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android on Qualcomm. It has been declared as critical. Affected is an unknown function of the component HLOS. Executing a manipulation can lead to race condition. This vulnerability is registered as CVE-2016-10439. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Google Android on Qualcomm (Smartphone Operating System) (version now known) and classified as critical. This vulnerability affects some unknown processing of the component HLOS. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In Android before 2018-04-05 or earlier security patch level on Qualcomm Snapdragon Automobile and Snapdragon Mobile SD 425, SD 430, SD 450, SD 625, SD 650/52, SD 820, and SD 820A, there is a TOCTOU vulnerability in the input validation for bulletin_board_read syscall. A pointer dereference is being validated without promising the pointer hasn't been changed by the HLOS program.

The bug was discovered 04/05/2018. The weakness was published 04/18/2018 (Website). The advisory is shared for download at source.android.com. This vulnerability was named CVE-2016-10439 since 08/16/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 103671†). Similar entries are available at VDB-83180, VDB-105483, VDB-105484 and VDB-105488. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/16/2017 🔍
04/05/2018 +232 days 🔍
04/05/2018 +0 days 🔍
04/18/2018 +12 days 🔍
04/18/2018 +0 days 🔍
04/19/2018 +1 days 🔍
01/27/2020 +648 days 🔍

Sourcesinfo

Vendor: google.com

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

CVE: CVE-2016-10439 (🔍)
GCVE (CVE): GCVE-0-2016-10439
GCVE (VulDB): GCVE-100-116500
SecurityFocus: 103671 - Google Android Multiple Qualcomm Components Multiple Unspecified Security Vulnerabilities

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

Entryinfo

Created: 04/19/2018 22:19
Updated: 01/27/2020 09:47
Changes: 04/19/2018 22:19 (62), 01/27/2020 09:47 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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