CVE-2023-28862

An issue was discovered in LemonLDAP::NG before 2.16.1

Critical · published March 31, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
61.1
In the wild
Unconfirmed
What it is

🚨 A weak session ID generation in LemonLDAP::NG can undermine your 2FA like a security camera that only works half the time — it should keep the bad guys out, but here, it just doesn't! 🔥 Think of it like a hotel that issues room keys without checking IDs—anyone can waltz in and claim a room without proper verification. This flaw lets attackers bypass your second layer of security just as easily! An attacker could gain unauthorized access to user accounts, completely bypassing 2FA protections. This means sensitive information could be exposed, putting both user data and your entire system at risk—an absolutely devastating scenario!

Put simply

Think of it like a hotel that issues room keys without checking IDs—anyone can waltz in and claim a room without proper verification. This flaw lets attackers bypass your second layer of security just as easily! This vulnerability in LemonLDAP::NG (before 2.16.1) stems from the weak generation of session IDs in the AuthBasic handler, combined with poor handling of password check failures, allowing attackers to sidestep two-factor authentication completely.

What to do

An attacker could gain unauthorized access to user accounts, completely bypassing 2FA protections. This means sensitive information could be exposed, putting both user data and your entire system at risk—an absolutely devastating scenario! Immediately upgrade to LemonLDAP::NG version 2.16.1 or later to patch this critical issue. Additionally, review your session handling logic to ensure robust validation and authentication processes are in place. You’ve got this! Follow these steps, and you’ll be keeping your digital fortress secure 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
0.00957 · 61.1th percentile
Published
2023-03-31T00:00Z
EPSS history
Timeline
  • 31 MAR 00:00Z
    An issue was discovered in LemonLDAP::NG before 2.16.1
    cvelistv5