Google Android on Pixel 2 Bootloader access control

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 on Pixel 2. It has been classified as critical. Affected is an unknown function of the component Bootloader. This manipulation causes access control. This vulnerability is tracked as CVE-2017-13247. The attack is restricted to local execution. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical was found in Google Android on Pixel 2 (Smartphone Operating System) (unknown version). Affected by this vulnerability is an unknown code block of the component Bootloader. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In the Pixel 2 bootloader, there is a missing permission check which bypasses carrier bootloader lock. This could lead to local elevation of privileges with user execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-71486645.

The bug was discovered 02/05/2018. The weakness was disclosed 02/12/2018 as A-71486645 (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2017-13247 since 08/23/2017. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 7 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 103027†). The entries VDB-112858, VDB-112859, VDB-113149 and VDB-113151 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: 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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

08/23/2017 🔍
02/05/2018 +166 days 🔍
02/12/2018 +7 days 🔍
02/12/2018 +0 days 🔍
02/13/2018 +1 days 🔍
01/04/2020 +690 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-71486645
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13247 (🔍)
GCVE (CVE): GCVE-0-2017-13247
GCVE (VulDB): GCVE-100-113167
SecurityFocus: 103027

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

Entryinfo

Created: 02/13/2018 09:22
Updated: 01/04/2020 09:28
Changes: 02/13/2018 09:22 (62), 01/04/2020 09:28 (2)
Complete: 🔍
Cache ID: 216::103

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

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