CVE-2024-38476CWE-829

Apache HTTP Server may use exploitable/malicious backend application output to run local handlers via internal redirect

Critical · published July 1, 2024

CVSS v3.1
9.8
EPSS
42%
Percentile
98.7
In the wild
Unconfirmed
What it is

🚨 The core of Apache HTTP Server is vulnerable, and a crafty response header could lead to a critical information leak or even local script execution! 🔥 Think of it as a restaurant where a sneaky chef serves up a dish with a side of spyware — if the waitstaff don’t check the orders thoroughly, they might deliver a hidden surprise to your table instead! If exploited, an attacker could potentially access sensitive information or execute scripts on your backend applications, putting your entire server at risk. This is absolutely devastating, as it could lead to data leaks or unauthorized access to critical resources.

Put simply

Think of it as a restaurant where a sneaky chef serves up a dish with a side of spyware — if the waitstaff don’t check the orders thoroughly, they might deliver a hidden surprise to your table instead! The vulnerability in Apache HTTP Server 2.4.59 and earlier allows for information disclosure and SSRF or local script execution through malicious or exploitable response headers from backend applications.

What to do

If exploited, an attacker could potentially access sensitive information or execute scripts on your backend applications, putting your entire server at risk. This is absolutely devastating, as it could lead to data leaks or unauthorized access to critical resources. Upgrade to Apache HTTP Server version 2.4.60 immediately to patch this vulnerability. Additionally, review your server's response headers for any insecure configurations and implement strict input validation. You've got this! Follow these steps, and you'll bolster your defenses in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.41611 · 98.7th percentile
Weakness
CWE-829 · Inclusion of Functionality from Untrusted Control Sphere
Published
2024-07-01T18:15Z
EPSS history
Timeline
  • 01 JUL 18:15Z
    Apache HTTP Server may use exploitable/malicious backend application output to run local handlers via internal redirect
    cvelistv5