SB2024011909 - Open redirect in Nextcloud User Saml



SB2024011909 - Open redirect in Nextcloud User Saml

Published: January 19, 2024

Security Bulletin ID SB2024011909
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Open redirect (CVE-ID: CVE-2024-22400)

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data in user_saml within the RelayState parameter. 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.


Remediation

Install update from vendor's website.