Insecure Inherited Permissions in Nextcloud Desktop



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-46958
CWE-ID CWE-277
Exploitation vector Local
Public exploit N/A
Vulnerable software
 desktop
Other software / Other software solutions

Vendor Nextcloud

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Insecure Inherited Permissions

EUVDB-ID: #VU100602

Risk: Low

CVSSv4.0: 3.7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-46958

CWE-ID: CWE-277 - Insecure inherited permissions

Exploit availability: No

Description

The vulnerability allows an attacker with physical access to escalate privileges on the system.

The vulnerability exists due to the desktop client creates folders with world-readable and world-writable permissions on Linux, privilege escalation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

desktop: 3.13.1 - 3.13.3

CPE2.3 External links

https://github.com/nextcloud/desktop/issues/6863
https://github.com/nextcloud/desktop/pull/7092
https://github.com/nextcloud/desktop/pull/6949
https://github.com/nextcloud/desktop/compare/v3.13.3...v3.13.4
https://github.com/nextcloud/security-advisories/security/advisories


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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