CVE-2018-0001

Junos: Unauthenticated Remote Code Execution through J-Web interface

Critical · published January 10, 2018

CVSS v3.0
9.8
EPSS
6%
Percentile
93.6
In the wild
Unconfirmed
What it is

🚨 A crafty use-after-free vulnerability in older versions of PHP could let attackers execute arbitrary code remotely, and they don’t even need to authenticate! 🔥 Think of this like a restaurant that serves a dish but forgets to throw away the old, spoiled ingredients. An attacker can sneak in their own ingredients and create a harmful meal without anyone noticing! An attacker could take control of the server, execute malicious commands, or manipulate data, potentially leading to catastrophic breaches. This could mean anything from stolen data to complete system takedown—absolutely devastating!

Put simply

Think of this like a restaurant that serves a dish but forgets to throw away the old, spoiled ingredients. An attacker can sneak in their own ingredients and create a harmful meal without anyone noticing! This vulnerability stems from a use-after-free defect in J-Web, allowing an unauthenticated attacker to inject crafted data via specific URLs, leading to remote code execution.

What to do

An attacker could take control of the server, execute malicious commands, or manipulate data, potentially leading to catastrophic breaches. This could mean anything from stolen data to complete system takedown—absolutely devastating! To protect your systems, upgrade to the latest, patched versions of Junos OS: 12.1X46-D67, 12.3R12-S5, and other specified updates. Additionally, conduct a thorough audit of your PHP configurations to ensure no exploitable paths remain open. You’ve got this! With a little diligence, you'll secure your systems and earn your security hero badge! 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.06335 · 93.6th percentile
Published
2018-01-10T22:00Z
EPSS history
Timeline
  • 10 JAN 22:00Z
    Junos: Unauthenticated Remote Code Execution through J-Web interface
    cvelistv5