PT-2023-18525 · Nextcloud · Nextcloud Talk Android

Ctulhu · Published 2023-01-09 · Updated 2023-01-13 · CVE-2023-22473

Positive Technologies (AI Summary)

CVSS v3.1

2.1

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions Nextcloud Talk Android app versions prior to 15.0.2

Description The issue allows an attacker to bypass the passcode, gaining access to the user's Nextcloud files and conversations. This can be exploited with physical access to the target device.

Recommendations For versions prior to 15.0.2, upgrade the Nextcloud Talk Android app to 15.0.2 to resolve the issue.

Exploit

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2023-22473

GHSA-WVR4-GC4C-6VMX

Affected Products

Nextcloud Talk Android

References · 7

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/22xxx/CVE-2023-22473.json · Exploit
• 🔥 https://hackerone.com/reports/1784645 · Exploit
• https://github.com/nextcloud/talk-android/pull/2598 · Patch
• https://osv.dev/vulnerability/CVE-2023-22473 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-22473 · Security Note
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wvr4-gc4c-6vmx · Note
• https://t.me/cibsecurity/56159 · Telegram Post