PT-2023-21872 · Nextcloud · Nextcloud Ios

Ctuihu · Published 2023-03-30 · Updated 2023-04-07 · CVE-2023-28647

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

Base vector

AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions Nextcloud iOS versions prior to 4.7.0

Description The issue affects the Nextcloud iOS application, which is used to interface with the Nextcloud home cloud ecosystem. When an attacker has physical access to an unlocked device, they may enable integration into the iOS Files app, bypassing the Nextcloud pin/password protection and gaining access to a user's files.

Recommendations For versions prior to 4.7.0, upgrade the Nextcloud iOS app to 4.7.0 to resolve the issue. At the moment, there is no information about other workarounds for this vulnerability.

Exploit

Fix

Improper Preservation of Permissions

Improper Authentication

Weakness Enumeration

CWE-281

CWE-287

Related Identifiers

CVE-2023-28647

GHSA-WJGG-2V4P-2GQ6

Affected Products

Nextcloud Ios

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28647.json · Exploit
• https://github.com/nextcloud/ios/pull/2344 · Patch
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wjgg-2v4p-2gq6 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-28647 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-28647 · Security Note
• https://t.me/cibsecurity/61192 · Telegram Post