Google Android 8.0/8.1/9.0 Hardware Service Manager ServiceManager::add access control

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Google Android 8.0/8.1/9.0. Impacted is the function ServiceManager::add of the component Hardware Service Manager. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2019-2023. The attack requires local access. In addition, an exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability has been found in Google Android 8.0/8.1/9.0 (Smartphone Operating System) and classified as critical. This vulnerability affects the function ServiceManager::add of the component Hardware Service Manager. 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. CVE summarizes:

In ServiceManager::add function in the hardware service manager, there is an insecure permissions check based on the PID of the caller. This could allow an app to add or replace a HAL service with its own service, gaining code execution in a privileged process.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9Android ID: A-121035042Upstream kernel

The bug was discovered 12/14/2018. The weakness was presented 06/19/2019. This vulnerability was named CVE-2019-2023 since 12/10/2018. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1068.

It is possible to download the exploit 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 187 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Exploit-DB (46504). See VDB-136770, VDB-136769, VDB-136767 and VDB-136766 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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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

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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

12/10/2018 🔍
12/14/2018 +4 days 🔍
06/19/2019 +187 days 🔍
06/20/2019 +1 days 🔍
06/06/2024 +1813 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Not defined

CVE: CVE-2019-2023 (🔍)
GCVE (CVE): GCVE-0-2019-2023
GCVE (VulDB): GCVE-100-136768
OSVDB: - Google Android getpidcon() function privilege escalation

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

Entryinfo

Created: 06/20/2019 13:39
Updated: 06/06/2024 06:30
Changes: 06/20/2019 13:39 (42), 06/26/2020 11:12 (18), 10/07/2023 09:38 (4), 06/06/2024 06:30 (22)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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