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CVE-2023-39957

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Date: August 10, 2023

Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android. Prior to version 17.0.0, an unprotected intend allowed malicious third party apps to trick the Talk Android app into writing files outside of its intended cache directory. Nextcloud Talk Android version 17.0.0 has a patch for this issue. No known workarounds are available.

Language: KOTLIN

Severity Score

Related Resources (5)

https://github.com/nextcloud/talk-android/pull/3064
https://nvd.nist.gov/vuln/detail/CVE-2023-39957
https://hackerone.com/reports/1997029
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfj
https://www.mend.io/vulnerability-database/CVE-2023-39957

Severity Score

Weakness Type (CWE)

Path Traversal

CWE-22

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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