CVE-2022-48195

An issue was discovered in Mellium mellium.im/sasl before 0.3.1

Critical · published December 31, 2022

CVSS v3.1
9.8
EPSS
1%
Percentile
58.7
In the wild
Unconfirmed
What it is

🔥 A missing random nonce during SCRAM-based SASL authentication could leave your system vulnerable to staggering exploits! Think of it like a safe that requires a combination, but the lock is left open because the code gets skipped — anyone can walk right in! Without a properly generated nonce, an attacker could exploit this hole like a thief taking advantage of an unlocked door. This critical vulnerability could lead to authentication failures, and in the worst-case scenario, it can allow attackers to gain access to sensitive systems by exploiting insufficient randomness. Imagine an intruder slipping past your defenses unnoticed and wreaking havoc — that's the level of risk we're talking about!

Put simply

Think of it like a safe that requires a combination, but the lock is left open because the code gets skipped — anyone can walk right in! Without a properly generated nonce, an attacker could exploit this hole like a thief taking advantage of an unlocked door. In Mellium mellium.im/sasl versions before 0.3.1, if channel binding is advertised by the remote end, no random nonce is generated, resulting in empty nonce values during authentication. This flaw can lead to insufficient randomness, making the system more susceptible to attacks.

What to do

This critical vulnerability could lead to authentication failures, and in the worst-case scenario, it can allow attackers to gain access to sensitive systems by exploiting insufficient randomness. Imagine an intruder slipping past your defenses unnoticed and wreaking havoc — that's the level of risk we're talking about! Immediately upgrade Mellium mellium.im/sasl to version 0.3.1 or later. Additionally, ensure that any systems involved are validating nonce lengths as part of their authentication protocols. Don't skip this step — it's crucial for your security! You've got this! Follow these steps, and you’ll be shoring up 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
0.00881 · 58.7th percentile
Published
2022-12-31T00:00Z
EPSS history
Timeline
  • 31 DEC 00:00Z
    An issue was discovered in Mellium mellium.im/sasl before 0.3.1
    cvelistv5