SB2023121358 - Multiple vulnerabilities in Umbraco CMS

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Main Vulnerability Database SB2023121358

SB2023121358 - Multiple vulnerabilities in Umbraco CMS

Published: December 13, 2023

Security Bulletin ID SB2023121358
Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Information Exposure Through an Error Message (CVE-ID: CVE-2023-49278)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to a missing brute-force protection. A remote attacker can enumerate usernames on the website.


2) Path traversal (CVE-ID: CVE-2023-49089)

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the backoffice component. A remote user with permissions to create packages can send a specially crafted HTTP request and write arbitrary files outside of the expected location.


3) Information exposure through an error message (CVE-ID: CVE-2023-49274)

The vulnerability allows a remote attacker to enumerate registered users.

The vulnerability exists due to incorrect implementation of password reset feature, when SMTP is not setup correctly. A remote attacker can enumerate registered users.


4) Improper access control (CVE-ID: CVE-2023-49273)

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user with Editor privileges can bypass implemented security restrictions and gain unauthorized access to the application.


Remediation

Install update from vendor's website.

References