Vulnerability Details : CVE-2023-39957

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.
Published 2023-08-10 16:15:10
Updated 2023-08-16 19:57:00
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: Directory traversal

Products affected by CVE-2023-39957

Exploit prediction scoring system (EPSS) score for CVE-2023-39957

EPSS FAQ
0.37%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-39957

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
 HIGH CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
0.6
6.0
 GitHub, Inc.
7.8
 HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
 NIST

CWE ids for CVE-2023-39957

  • The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
    Assigned by: security-advisories@github.com (Primary)

References for CVE-2023-39957

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