CVE-2024-42467CWE-918ssrf

CVE-2024-42467

Critical · published August 12, 2024

CVSS v3.1
10.0
EPSS
1%
Percentile
63.8
In the wild
Unconfirmed
What it is

🚨 OpenHAB’s CometVisu add-on has a gaping hole that allows attackers to access internal servers without breaking a sweat! 🔥 Think of it like a restaurant where a waiter can take orders from a locked kitchen without any oversight — the waiter could request anything behind the scenes without permission, and that’s precisely what this SSRF vulnerability enables! An attacker could exploit this flaw to send unauthorized GET requests to internal servers, potentially leaking sensitive data or wreaking havoc on your home automation setup. Even more alarmingly, they could leverage this to execute malicious JavaScript in your browser, leading to Remote Code Execution (RCE) when combined with other vulnerabilities. This could be absolutely devastating!

Put simply

Think of it like a restaurant where a waiter can take orders from a locked kitchen without any oversight — the waiter could request anything behind the scenes without permission, and that’s precisely what this SSRF vulnerability enables! This vulnerability allows unauthorized access to the proxy endpoint of the CometVisu add-on, enabling Server-Side Request Forgery (SSRF) and Cross-Site Scripting (XSS) attacks. Attackers can reroute requests and execute scripts, taking control of systems that may not even be publicly accessible.

What to do

An attacker could exploit this flaw to send unauthorized GET requests to internal servers, potentially leaking sensitive data or wreaking havoc on your home automation setup. Even more alarmingly, they could leverage this to execute malicious JavaScript in your browser, leading to Remote Code Execution (RCE) when combined with other vulnerabilities. This could be absolutely devastating! Upgrade to version 4.2.1 of the CometVisu add-on immediately to patch this critical vulnerability. It's also wise to review your network configurations to ensure openHAB isn’t exposed unnecessarily. Don't forget to educate users about the risks of clicking on suspicious links! You've got this! Just follow these steps, and you'll have your home automation setup secured in no time. 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.01044 · 63.8th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2024-08-12T17:38Z
Affected products (1)
ProductVersionsFixed in
openhab/openhab_web_interface< 4.2.14.2.1
References (4)
EPSS history
Timeline
  • 09 AUG 18:06Z
    CometVisu Backend for openHAB affected by SSRF/XSS
    cvelistv5