CVE-2023-39957
Nextcloud Talk Android Directory Traversal Vulnerability
Description
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.
INFO
Published Date :
Aug. 10, 2023, 4:15 p.m.
Last Modified :
Aug. 16, 2023, 7:57 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2023-39957 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2023-39957
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-39957.
| URL | Resource |
|---|---|
| https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfj | Patch Vendor Advisory |
| https://github.com/nextcloud/talk-android/pull/3064 | Patch |
| https://hackerone.com/reports/1997029 | Issue Tracking Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Slides and videos from my public speeches / conferences
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-39957 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-39957 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Aug. 16, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfj No Types Assigned https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfj Patch, Vendor Advisory Changed Reference Type https://github.com/nextcloud/talk-android/pull/3064 No Types Assigned https://github.com/nextcloud/talk-android/pull/3064 Patch Changed Reference Type https://hackerone.com/reports/1997029 No Types Assigned https://hackerone.com/reports/1997029 Issue Tracking, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:nextcloud:talk:*:*:*:*:*:android:*:* versions up to (excluding) 17.0.0 *cpe:2.3:a:nextcloud:talk:17.0.0:rc1:*:*:*:android:*:* *cpe:2.3:a:nextcloud:talk:17.0.0:rc2:*:*:*:android:*:* *cpe:2.3:a:nextcloud:talk:17.0.0:rc3:*:*:*:android:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-39957 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-39957
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.01%
score
0.24304
percentile