VDB-101407 · CVE-2014-9936 · BID 97329

Google Android TrustZone race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android. It has been classified as critical. This impacts an unknown function of the component TrustZone. This manipulation causes race condition. This vulnerability is tracked as CVE-2014-9936. The attack is restricted to local execution. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Google Android (Smartphone Operating System) (unknown version) and classified as critical. Affected by this vulnerability is an unknown code block of the component TrustZone. 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. The summary by CVE is:

In TrustZone a time-of-check time-of-use race condition could potentially exist in an authentication routine in all Android releases from CAF using the Linux kernel.

The bug was discovered 05/01/2017. The weakness was disclosed 05/16/2017 (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2014-9936 since 03/01/2017. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97329†). The entries VDB-99354, VDB-99375, VDB-99376 and VDB-99383 are pretty similar. Be aware that VulDB is the high quality 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: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/01/2017 🔍
04/03/2017 +33 days 🔍
05/01/2017 +28 days 🔍
05/16/2017 +15 days 🔍
05/16/2017 +0 days 🔍
05/17/2017 +1 days 🔍
12/24/2020 +1317 days 🔍

Sourcesinfo

Vendor: google.com

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

CVE: CVE-2014-9936 (🔍)
GCVE (CVE): GCVE-0-2014-9936
GCVE (VulDB): GCVE-100-101407
SecurityFocus: 97329 - Google Android Qualcomm components Multiple Unspecified Security Vulnerabilities
OSVDB: - CVE-2014-9936 - Google - Android - High
SecurityTracker: 1038201

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

Entryinfo

Created: 05/17/2017 07:58
Updated: 12/24/2020 14:22
Changes: 05/17/2017 07:58 (67), 12/24/2020 14:22 (2)
Complete: 🔍
Cache ID: 216:BBA:103

Be aware that VulDB is the high quality source for vulnerability data.

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