CVE-2022-31013CWE-287

Authentication bypass in Vartalap chat-server

Critical · published May 31, 2022

CVSS v3.1
9.1
EPSS
2%
Percentile
74.1
In the wild
Unconfirmed
What it is

🚨 An authentication bypass in Vartalap's Chat Server? That’s like leaving the front door wide open for anyone to stroll in! 🔥 Think of authentication like a bouncer at a club. If the bouncer doesn’t properly check IDs before letting people in, everyone – even those with fake IDs – gets access to the exclusive party inside! An attacker could easily bypass authentication and gain unauthorized access to the chat server, potentially compromising sensitive conversations and user data. This invites chaos into what should be a secure messaging environment, making it a ticket for all sorts of nefarious activity!

Put simply

Think of authentication like a bouncer at a club. If the bouncer doesn’t properly check IDs before letting people in, everyone – even those with fake IDs – gets access to the exclusive party inside! The vulnerability stems from a bug in the way the Chat Server validates access tokens in versions 2.3.2 to 2.6.0, where the async function `this.authProvider.verifyAccessKey` fails to use `await`, leading to unhandled exceptions and unrestricted access for attackers.

What to do

An attacker could easily bypass authentication and gain unauthorized access to the chat server, potentially compromising sensitive conversations and user data. This invites chaos into what should be a secure messaging environment, making it a ticket for all sorts of nefarious activity! Upgrade to Chat Server version 2.6.0 immediately to patch this vulnerability. Additionally, review your access control mechanisms to ensure that authentication processes are robust and reliable! You’ve got this! Fixing this issue will bolster your security and keep the chat environment safe! 🛡️

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
0.01502 · 74.1th percentile
Weakness
CWE-287 · Improper Authentication
Published
2022-05-31T22:35Z
EPSS history
Timeline
  • 31 MAY 22:35Z
    Authentication bypass in Vartalap chat-server
    cvelistv5