Improper access control in Nextcloud Android Talk



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-22473
CWE-ID CWE-284
Exploitation vector Local
Public exploit N/A
Vulnerable software
Nextcloud Android Talk
Client/Desktop applications / Messaging software

Vendor Nextcloud

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper access control

EUVDB-ID: #VU70794

Risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-22473

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. An attacker with physical access can bypass of passcode and access the user's Nextcloud files and view conversations.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Nextcloud Android Talk: All versions

CPE2.3 External links

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wvr4-gc4c-6vmx


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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