SB2022010411 - Multiple vulnerabilities in GroupSession
Published: January 4, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Incorrect permission assignment for critical resource (CVE-ID: CVE-2021-20876)
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to incorrect permission assignment for critical resource. A remote attacker can gain access to sensitive information on the system.
2) Open redirect (CVE-ID: CVE-2021-20874)
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.
3) Path traversal (CVE-ID: CVE-2021-20875)
The vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system.
Remediation
Install update from vendor's website.