Nextcloud Talk-Android prior 15.0.2 access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Nextcloud Talk-Android. This affects an unknown function. The manipulation leads to access control. This vulnerability is traded as CVE-2023-22473. It is possible to launch the attack on the physical device. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Nextcloud Talk-Android (Cloud Software). It has been rated as problematic. This issue affects some unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality. The summary by CVE is:

Talk-Android enables users to have video & audio calls through Nextcloud on Android. Due to passcode bypass, an attacker is able to access the user's Nextcloud files and view conversations. To exploit this the attacker needs to have physical access to the target's device. There are currently no known workarounds available. It is recommended that the Nextcloud Talk Android app is upgraded to 15.0.2.

The weakness was shared 01/09/2023 as GHSA-wvr4-gc4c-6vmx. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-22473 since 12/29/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 15.0.2 eliminates this vulnerability. Applying a patch 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

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.3
VulDB Meta Temp Score: 2.2

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 2.1
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: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: Partially

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: Talk-Android 15.0.2
Patch: github.com

Timelineinfo

12/29/2022 🔍
01/09/2023 +11 days 🔍
01/09/2023 +0 days 🔍
01/09/2023 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-wvr4-gc4c-6vmx
Status: Confirmed

CVE: CVE-2023-22473 (🔍)
GCVE (CVE): GCVE-0-2023-22473
GCVE (VulDB): GCVE-100-217709

Entryinfo

Created: 01/09/2023 19:54
Changes: 01/09/2023 19:54 (51)
Complete: 🔍
Cache ID: 216::103

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