CVE-2023-2884CWE-330CWE-338

Insecure Randomness in CBOT's Chatbot

Critical · published May 25, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
52.3
In the wild
Unconfirmed
What it is

🔥 A weak random number generator in CBOT Chatbot is leaving the door open for signature spoofing! Think of a PRNG as a dice that always rolls the same number when it’s supposed to be random — it’s predictable and allows an imposter to masquerade as a legitimate user. This is like letting someone into a secret club with a passcode that everyone knows! An attacker could exploit this vulnerability to recreate cryptographic keys and forge signatures, potentially gaining unauthorized access to sensitive data and functionality. This could lead to devastating consequences, like impersonating trusted users or manipulating chatbot responses. The stakes are high, and keeping the chatbot secure is absolutely crucial!

Put simply

Think of a PRNG as a dice that always rolls the same number when it’s supposed to be random — it’s predictable and allows an imposter to masquerade as a legitimate user. This is like letting someone into a secret club with a passcode that everyone knows! This vulnerability arises from the use of a cryptographically weak pseudo-random number generator, which allows malicious actors to recreate keys used in signature generation, leading to spoofing attacks on the CBOT Chatbot.

What to do

An attacker could exploit this vulnerability to recreate cryptographic keys and forge signatures, potentially gaining unauthorized access to sensitive data and functionality. This could lead to devastating consequences, like impersonating trusted users or manipulating chatbot responses. The stakes are high, and keeping the chatbot secure is absolutely crucial! To mitigate this vulnerability, upgrade to the patched versions of Core v4.0.3.4 and Panel v4.0.3.7 immediately. Ensure you implement a strong, cryptographically secure PRNG to safeguard your keys and signatures. 🔒 You’ve got this! Act quickly, follow these steps, and your chatbot will be safe and sound! 🛡️

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
0.00692 · 52.3th percentile
Weaknesses
CWE-330 · Use of Insufficiently Random Values; CWE-338 · Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Published
2023-05-25T08:26Z
EPSS history
Timeline
  • 25 MAY 08:26Z
    Insecure Randomness in CBOT's Chatbot
    cvelistv5