CVE-2023-20965

In processMessageImpl of ClientModeImpl.java, there is a possible credential disclosure in the TOFU flow due to a logic error in the code

Critical · published August 14, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
50.0
In the wild
Unconfirmed
What it is

🚨 A sneaky logic error in ClientModeImpl.java could let an attacker access credentials without breaking a sweat! 🔥 Think of it as a hotel where the receptionist mistakenly hands out spare room keys to anyone who asks, completely forgetting to check their ID. All it takes is one clever guest to bypass security and access any room — which could be disastrous! This vulnerability could lead to remote privilege escalation, allowing attackers to gain unauthorized access to sensitive information. Without any need for user interaction, they could easily exploit this flaw and compromise the system, potentially wreaking havoc on your environment.

Put simply

Think of it as a hotel where the receptionist mistakenly hands out spare room keys to anyone who asks, completely forgetting to check their ID. All it takes is one clever guest to bypass security and access any room — which could be disastrous! The issue lies in the processMessageImpl function of ClientModeImpl.java, where a logic error in the Trusted On First Use (TOFU) flow could inadvertently disclose credentials. This allows attackers to escalate their privileges without needing additional execution rights.

What to do

This vulnerability could lead to remote privilege escalation, allowing attackers to gain unauthorized access to sensitive information. Without any need for user interaction, they could easily exploit this flaw and compromise the system, potentially wreaking havoc on your environment. Immediate remediation is crucial: update to the latest version as soon as the patch is released, and review system logs for any unauthorized access attempts. Additionally, consider implementing stronger access controls to mitigate risks. You've got this! Stay vigilant, follow these steps, and you'll keep your systems secure. 🛡️

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
0.00639 · 50.0th percentile
Published
2023-08-14T20:48Z
EPSS history
Timeline
  • 14 AUG 20:48Z
    In processMessageImpl of ClientModeImpl.java, there is a possible credential disclosure in the TOFU flow due to a logic error in the code
    cvelistv5