VDB-105595 · CVE-2017-8270 · BID 99465

Google Android Qualcomm Driver use after free

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 rated as critical. The affected element is an unknown function of the component Qualcomm Driver. This manipulation causes use after free. This vulnerability is registered as CVE-2017-8270. The attack needs to be launched locally. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (version unknown). It has been declared as critical. Affected by this vulnerability is an unknown function of the component Qualcomm Driver. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In all Qualcomm products with Android releases from CAF using the Linux kernel, a race condition exists in a driver potentially leading to a use-after-free condition.

The bug was discovered 07/05/2017. The weakness was published 08/18/2017 by Di Shen with Qihoo 360 (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2017-8270 since 04/25/2017. 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 pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/09/2019). 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 44 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 99465†). Similar entries are available at VDB-101214, VDB-103224, VDB-103225 and VDB-103226. Statistical analysis made it clear that VulDB provides the best quality 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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/25/2017 🔍
07/05/2017 +71 days 🔍
07/06/2017 +1 days 🔍
08/18/2017 +43 days 🔍
08/18/2017 +0 days 🔍
08/19/2017 +1 days 🔍
11/09/2019 +812 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Researcher: Di Shen
Organization: Qihoo 360
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-8270 (🔍)
GCVE (CVE): GCVE-0-2017-8270
GCVE (VulDB): GCVE-100-105595
SecurityFocus: 99465 - Google Android Qualcomm Components Multiple Security Vulnerabilities

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

Entryinfo

Created: 08/19/2017 09:01
Updated: 11/09/2019 08:40
Changes: 08/19/2017 09:01 (55), 11/09/2019 08:40 (12)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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