SB2023022188 - Mitsubishi Electric MELSOFT iQ AppPortal update for Apache HTTP server

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Main Vulnerability Database SB2023022188

SB2023022188 - Mitsubishi Electric MELSOFT iQ AppPortal update for Apache HTTP server

Published: February 21, 2023 Updated: June 28, 2024

Security Bulletin ID SB2023022188
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2022-26377)

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests in mod_proxy_ajp. A remote attacker can send a specially crafted HTTP request to the server and smuggle requests to the AJP server it forwards requests to.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.


2) Improper Authentication (CVE-ID: CVE-2022-31813)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in mod_proxy implementation, where the web server may not send the X-Forwarded-* headers to the origin server based on client side Connection header hop-by-hop mechanism. A remote attacker can bypass IP based authentication on the origin server/application and gain access to otherwise restricted functionality.


Remediation

Install update from vendor's website.

References