VDB-101420 · CVE-2016-10239 · BID 97334

Google Android TrustZone integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android and classified as critical. Affected by this vulnerability is an unknown functionality of the component TrustZone. Such manipulation leads to integer overflow. This vulnerability is referenced as CVE-2016-10239. The attack can only be performed from a local environment. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (the affected version is unknown). It has been rated as critical. Affected by this issue is an unknown code of the component TrustZone. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In TrustZone access control policy may potentially be bypassed in all Android releases from CAF using the Linux kernel due to improper input validation an integer overflow vulnerability leading to a buffer overflow could potentially occur and a buffer over-read vulnerability could potentially occur.

The bug was discovered 04/01/2017. The weakness was published 05/16/2017 (Website). The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2016-10239 since 03/01/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/24/2020). It is expected to see the exploit prices for this product increasing in the near future.

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 $25k-$100k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97334†). Similar entries are available at VDB-99354, VDB-99375, VDB-99376 and VDB-99383. 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: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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-2016-10239 (🔍)
GCVE (CVE): GCVE-0-2016-10239
GCVE (VulDB): GCVE-100-101420
SecurityFocus: 97334 - Google Android Qualcomm components Multiple Unspecified Security Vulnerabilities
OSVDB: - CVE-2016-10239 - Google - Android - High
SecurityTracker: 1038201

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

Entryinfo

Created: 05/17/2017 08:01
Updated: 12/24/2020 15:15
Changes: 05/17/2017 08:01 (66), 12/24/2020 15:15 (2)
Complete: 🔍
Cache ID: 216:D77:103

Once again VulDB remains the best source for vulnerability data.

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