Google Android 8.0/8.1 KeyStore Service access control

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Google Android 8.0/8.1. Affected by this vulnerability is an unknown functionality of the component KeyStore Service. Performing a manipulation results in access control. This vulnerability is reported as CVE-2017-13236. The attack requires a local approach. Moreover, an exploit is present. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in Google Android 8.0/8.1 (Smartphone Operating System). This affects some unknown functionality of the component KeyStore Service. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In the KeyStore service, there is a permissions bypass that allows access to protected resources. This could lead to local escalation of privilege with system execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: 8.0, 8.1. Android ID: A-68217699.

The bug was discovered 10/24/2017. The weakness was disclosed 02/12/2018 (Website). The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2017-13236 since 08/23/2017. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 111 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 databases at Exploit-DB (43996) and SecurityFocus (BID 102979†). The entries VDB-112858, VDB-112859, VDB-113149 and VDB-113151 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2017 🔍
10/24/2017 +62 days 🔍
02/05/2018 +103 days 🔍
02/12/2018 +7 days 🔍
02/12/2018 +0 days 🔍
02/13/2018 +1 days 🔍
06/06/2024 +2305 days 🔍

Sourcesinfo

Vendor: google.com

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

CVE: CVE-2017-13236 (🔍)
GCVE (CVE): GCVE-0-2017-13236
GCVE (VulDB): GCVE-100-113157
SecurityFocus: 102979

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

Entryinfo

Created: 02/13/2018 09:20
Updated: 06/06/2024 04:18
Changes: 02/13/2018 09:20 (62), 01/04/2020 08:48 (5), 02/03/2021 09:20 (3), 06/06/2024 04:18 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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