Google Android nanopb Local Privilege Escalation

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android and classified as problematic. The impacted element is an unknown function of the component nanopb. Such manipulation leads to an unknown weakness. This vulnerability is referenced as CVE-2022-20203. The attack can only be performed from a local environment. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (the affected version is unknown). It has been rated as problematic. Affected by this issue is an unknown code of the component nanopb. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In multiple locations of the nanopb library, there is a possible way to corrupt memory when decoding untrusted protobuf files. This could lead to local escalation of privilege,with no additional execution privileges needed. User interaction is not needed for exploitation.

The weakness was published 06/16/2022. The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2022-20203 since 10/14/2021. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
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

10/14/2021 🔍
06/16/2022 +245 days 🔍
06/16/2022 +0 days 🔍
06/16/2022 +0 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Confirmed

CVE: CVE-2022-20203 (🔍)
GCVE (CVE): GCVE-0-2022-20203
GCVE (VulDB): GCVE-100-202220
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 06/16/2022 09:40
Changes: 06/16/2022 09:40 (38)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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