CVE-2022-41912CWE-287

crewjam/saml go library is vulnerable to signature bypass via multiple Assertion elements

Critical · published November 28, 2022

CVSS v3.1
9.1
EPSS
2%
Percentile
83.4
In the wild
Unconfirmed
What it is

🚨 An authentication bypass lurks in the crewjam/saml library that affects users until they upgrade to version 0.4.9! 🔥 Think of it like a restaurant that allows anyone to walk in without checking reservations — if the right table is unguarded, anyone could claim it. That's how these multiple Assertion elements can let unauthorized users access areas they shouldn't! Without fixing this vulnerability, attackers could potentially gain unauthorized access to sensitive information or systems, leaving the doors wide open for them to wreak havoc. This could lead to data breaches or other malicious activities, which can be absolutely devastating for any organization.

Put simply

Think of it like a restaurant that allows anyone to walk in without checking reservations — if the right table is unguarded, anyone could claim it. That's how these multiple Assertion elements can let unauthorized users access areas they shouldn't! This vulnerability in the crewjam/saml library allows an attacker to bypass authentication checks when processing SAML responses with multiple Assertion elements, leading to unauthorized access.

What to do

Without fixing this vulnerability, attackers could potentially gain unauthorized access to sensitive information or systems, leaving the doors wide open for them to wreak havoc. This could lead to data breaches or other malicious activities, which can be absolutely devastating for any organization. Upgrade to crewjam/saml version 0.4.9 immediately to patch this flaw. Since there are no workarounds, make this a priority in your next maintenance cycle! You've got this! By taking these steps, you'll be reinforcing your security defenses in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.02325 · 83.4th percentile
Weakness
CWE-287 · Improper Authentication
Published
2022-11-28T00:00Z
EPSS history
Timeline
  • 28 NOV 00:00Z
    crewjam/saml go library is vulnerable to signature bypass via multiple Assertion elements
    cvelistv5