CVE-2021-43310CWE-290

A vulnerability in Keylime before 6.3.0 allows an attacker to craft a request to the agent that resets the U and V keys as if the agent were being re-added to…

Critical · published September 21, 2022

CVSS v3.1
9.8
EPSS
2%
Percentile
82.5
In the wild
Unconfirmed
What it is

🚨 A crafty request is all it takes! This vulnerability in Keylime before version 6.3.0 lets attackers reset keys like a magician pulling rabbits from hats — with a bit of sleight of hand, they can execute code remotely! 🔥 Think of it as a delivery driver who receives a new set of instructions from a fake address, completely bypassing the actual delivery protocol. If they follow those instructions, they might just reroute your precious packages straight into the wrong hands! If exploited, an attacker could gain full control over your system, executing commands as if they were you! This malicious magic could expose sensitive data, disrupt services, or even lead to a full system takeover — absolutely devastating!

Put simply

Think of it as a delivery driver who receives a new set of instructions from a fake address, completely bypassing the actual delivery protocol. If they follow those instructions, they might just reroute your precious packages straight into the wrong hands! This Keylime vulnerability allows an attacker to craft a request that resets the U and V keys, tricking the agent into thinking it’s being re-added to a verifier, thus enabling remote code execution.

What to do

If exploited, an attacker could gain full control over your system, executing commands as if they were you! This malicious magic could expose sensitive data, disrupt services, or even lead to a full system takeover — absolutely devastating! To protect your systems, upgrade Keylime to version 6.3.0 immediately. Additionally, review your security policies to ensure only authorized requests are accepted, and consider implementing additional verification layers. 🛡️ This is fixable! By taking these steps, you’ll bolster your defenses and keep your environment secure. You've got this! 💪

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
0.02209 · 82.5th percentile
Weakness
CWE-290 · Authentication Bypass by Spoofing
Published
2022-09-21T18:23Z
EPSS history
Timeline
  • 21 SEP 18:23Z
    A vulnerability in Keylime before 6.3.0 allows an attacker to craft a request to the agent that resets the U and V keys as if the agent were being re-added to…
    cvelistv5