Nextcloud App up to 3.17.0 on Android default permission

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Nextcloud App up to 3.17.0 on Android. This issue affects some unknown processing. This manipulation causes default permission. This vulnerability is handled as CVE-2021-41166. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Nextcloud App up to 3.17.0 on Android (Android App Software). Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a default permission vulnerability. The CWE definition for the vulnerability is CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. As an impact it is known to affect confidentiality.

The weakness was released 01/27/2022 as GHSA-wrwg-jwpg-r3c4. The advisory is shared at github.com. This vulnerability is known as CVE-2021-41166 since 09/15/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

Upgrading to version 3.17.1 eliminates this vulnerability. Applying the patch aa47197109970b8449c4e44601eba36e3481b086 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: App 3.17.1
Patch: aa47197109970b8449c4e44601eba36e3481b086

Timelineinfo

09/15/2021 🔍
01/27/2022 +134 days 🔍
01/27/2022 +0 days 🔍
01/29/2022 +2 days 🔍

Sourcesinfo

Advisory: GHSA-wrwg-jwpg-r3c4
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-41166 (🔍)
GCVE (CVE): GCVE-0-2021-41166
GCVE (VulDB): GCVE-100-191701
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 01/27/2022 10:11
Updated: 01/29/2022 11:30
Changes: 01/27/2022 10:11 (53), 01/29/2022 11:30 (2)
Complete: 🔍
Cache ID: 216::103

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