VDB-101410 · CVE-2015-8996 · 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 categorized as critical has been discovered in Google Android. Affected by this issue is some unknown functionality of the component TrustZone. Executing a manipulation can lead to race condition. This vulnerability is registered as CVE-2015-8996. The attack needs to be launched locally. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (affected version unknown). It has been declared as critical. This vulnerability affects an unknown functionality 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. CVE summarizes:

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

The bug was discovered 04/01/2017. The weakness was published 05/16/2017 (Website). The advisory is available at source.android.com. This vulnerability was named CVE-2015-8996 since 03/01/2017. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 45 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†). Similar entries are available at VDB-99354, VDB-99375, VDB-99376 and VDB-99383. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

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

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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 🔍
04/01/2017 +31 days 🔍
04/03/2017 +2 days 🔍
05/16/2017 +43 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-2015-8996 (🔍)
GCVE (CVE): GCVE-0-2015-8996
GCVE (VulDB): GCVE-100-101410
SecurityFocus: 97329 - Google Android Qualcomm components Multiple Unspecified Security Vulnerabilities
OSVDB: - CVE-2015-8996 - Google - Android - High
SecurityTracker: 1038201

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

Entryinfo

Created: 05/17/2017 07:59
Updated: 12/24/2020 14:37
Changes: 05/17/2017 07:59 (67), 12/24/2020 14:37 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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