VDB-115639 · CVE-2017-18147 · BID 103671

Google Android Linux Kernel Downlink Message input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
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9.4$5k-$25k0.00

A vulnerability was found in Google Android (Smartphone Operating System) (version now known). It has been declared as very critical. Affected by this vulnerability is some unknown processing of the component Linux Kernel. The manipulation as part of a Downlink Message leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, in MMCP, a downlink message is not being properly validated.

The bug was discovered 04/04/2018. The weakness was shared 04/03/2018 (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2017-18147 since 02/05/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/21/2020). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

Productinfo

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Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

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

02/05/2018 🔍
04/03/2018 +57 days 🔍
04/03/2018 +0 days 🔍
04/04/2018 +1 days 🔍
04/04/2018 +0 days 🔍
04/05/2018 +1 days 🔍
01/21/2020 +656 days 🔍

Sourcesinfo

Vendor: google.com

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

CVE: CVE-2017-18147 (🔍)
SecurityFocus: 103671 - Google Android Multiple Qualcomm Components Multiple Unspecified Security Vulnerabilities

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

Entryinfo

Created: 04/04/2018 08:33
Updated: 01/21/2020 08:03
Changes: 04/04/2018 08:33 (61), 01/21/2020 08:03 (4)
Complete: 🔍
Cache ID: 3:4D7:103

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