CVE-2019-19791

In LemonLDAP::NG (aka lemonldap-ng) before 2.0.7, the default Apache HTTP Server configuration does not properly restrict access to SOAP/REST endpoints (when…

Critical · published May 29, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
55.5
In the wild
Unconfirmed
What it is

🚨 A sneaky URL manipulation can open the floodgates! In LemonLDAP::NG before version 2.0.7, an attacker could exploit a default Apache configuration to access sensitive SOAP/REST endpoints without breaking a sweat! 🔥 Think of it like a restaurant where a waiter neglects to check the orders. All it takes is a crafty customer slipping in a side request for a dish that isn't even on the menu, and suddenly, they're getting all sorts of secret recipes without a reservation! This vulnerability is absolutely devastating. An attacker could waltz in and access sensitive data or services that should remain locked up tight — potentially leading to unauthorized actions or data leaks. It's a perfect storm for data breaches if left unaddressed!

Put simply

Think of it like a restaurant where a waiter neglects to check the orders. All it takes is a crafty customer slipping in a side request for a dish that isn't even on the menu, and suddenly, they're getting all sorts of secret recipes without a reservation! The vulnerability arises from the default configuration of Apache HTTP Server in LemonLDAP::NG, which fails to adequately restrict access to SOAP/REST endpoints when certain setup options are used. By cleverly inserting 'index.fcgi/index.fcgi' into a URL, attackers can bypass critical access controls.

What to do

This vulnerability is absolutely devastating. An attacker could waltz in and access sensitive data or services that should remain locked up tight — potentially leading to unauthorized actions or data leaks. It's a perfect storm for data breaches if left unaddressed! Immediate action is required! Upgrade LemonLDAP::NG to version 2.0.7 or later to close this glaring hole. Additionally, review and tighten the Apache configuration to ensure all access directives are enforced correctly. You've got this! With these steps, you’ll be back on the path to security hero status 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
0.00782 · 55.5th percentile
Published
2023-05-29T00:00Z
EPSS history
Timeline
  • 29 MAY 00:00Z
    In LemonLDAP::NG (aka lemonldap-ng) before 2.0.7, the default Apache HTTP Server configuration does not properly restrict access to SOAP/REST endpoints (when…
    cvelistv5