SB2023090128 - Fedora 39 update for python-jupyter-server
Published: September 1, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Open redirect (CVE-ID: CVE-2023-39968)
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
2) Improper access control (CVE-ID: CVE-2023-40170)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper cross-site credential checks on "/files/" URLs. A remote attacker can gain access to certain file contents, or access files when opening untrusted files via "Open image in new tab".
Remediation
Install update from vendor's website.