CVE-2023-39438
GitHub CLA-Assistant Authenticated User Privilege Escalation Vulnerability
Description
A missing authorization check allows an arbitrary authenticated user to perform certain operations through the API of CLA-assistant by executing specific additional steps. This allows an arbitrary authenticated user to read CLA information including information of the persons who signed them as well as custom fields the CLA requester had configured. In addition, an arbitrary authenticated user can update or delete the CLA-configuration for repositories or organizations using CLA-assistant. The stored access tokens for GitHub are not affected, as these are redacted from the API-responses.
INFO
Published Date :
Aug. 15, 2023, 5:15 p.m.
Last Modified :
Aug. 22, 2023, 5:32 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
2.8
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-2023-39438.
| URL | Resource |
|---|---|
| https://github.com/cla-assistant/cla-assistant/security/advisories/GHSA-gw8p-frwv-25gh | Vendor 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-39438 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-39438 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. 22, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Changed Reference Type https://github.com/cla-assistant/cla-assistant/security/advisories/GHSA-gw8p-frwv-25gh No Types Assigned https://github.com/cla-assistant/cla-assistant/security/advisories/GHSA-gw8p-frwv-25gh Vendor Advisory Added CWE NIST CWE-862 Added CPE Configuration OR *cpe:2.3:a:sap:contributor_license_agreement_assistant:*:*:*:*:*:*:*:* versions up to (excluding) 2.13.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-39438 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-2023-39438
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
0.28332
percentile