Google Android 9.0 ActivityManagerService ActivityManagerService.attachApplication race condition

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Android 9.0. This vulnerability affects unknown code of the file ActivityManagerService.attachApplication of the component ActivityManagerService. This manipulation causes race condition. This vulnerability is tracked as CVE-2019-2121. The attack is restricted to local execution. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Google Android 9.0 (Smartphone Operating System). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file ActivityManagerService.attachApplication of the component ActivityManagerService. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In ActivityManagerService.attachApplication of ActivityManagerService, there is a possible race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-131105245.

The weakness was disclosed 08/20/2019 (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2019-2121 since 12/10/2018. Attacking locally is a requirement. The successful exploitation needs a single authentication. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem.

The entries VDB-140406, VDB-140408, VDB-140409 and VDB-140410 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
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

12/10/2018 🔍
08/20/2019 +253 days 🔍
08/21/2019 +1 days 🔍
08/01/2020 +346 days 🔍

Sourcesinfo

Vendor: google.com

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

CVE: CVE-2019-2121 (🔍)
GCVE (CVE): GCVE-0-2019-2121
GCVE (VulDB): GCVE-100-140407
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 08/21/2019 07:20
Updated: 08/01/2020 14:17
Changes: 08/21/2019 07:20 (60), 08/01/2020 14:17 (1)
Complete: 🔍
Cache ID: 216::103

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