SB2023092026 - Multiple vulnerabilities in Mastodon



SB2023092026 - Multiple vulnerabilities in Mastodon

Published: September 20, 2023

Security Bulletin ID SB2023092026
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 67% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Use of Incorrectly-Resolved Name or Reference (CVE-ID: CVE-2023-42451)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to invalid domain name normalization. A remote attacker can spoof domains they do not own.


2) Stored cross-site scripting (CVE-ID: CVE-2023-42452)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the translation feature. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


3) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2023-42450)

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


Remediation

Install update from vendor's website.