CVE-2018-0037

Junos OS: RPD daemon crashes due to receipt of crafted BGP NOTIFICATION messages

Critical · published July 11, 2018

CVSS v3.0
9.8
EPSS
4%
Percentile
89.7
In the wild
Unconfirmed
What it is

🚨 A crafty attacker can send just the right BGP NOTIFICATION messages to crash your Junos OS routing process repeatedly! 🔥 Think of it like a mischievous kid at a carnival, repeatedly pulling the lever on a game machine until it breaks down. The game (or in this case, your BGP device!) keeps crashing, causing a frustrating Denial of Service for everyone trying to play. If exploited, this vulnerability can lead to continuous crashes of the routing protocol daemon (RPD), resulting in a sustained Denial of Service. This means legitimate traffic can be tangled in a web of failures, affecting your network's reliability and overall performance—an absolutely devastating scenario for any operation relying on smooth connectivity.

Put simply

Think of it like a mischievous kid at a carnival, repeatedly pulling the lever on a game machine until it breaks down. The game (or in this case, your BGP device!) keeps crashing, causing a frustrating Denial of Service for everyone trying to play. The vulnerability in Junos OS relates to how the RPD processes specific crafted BGP NOTIFICATION messages. By continuously sending these tailored messages, an attacker can trigger repeated crashes of the RPD, potentially leading to remote code execution.

What to do

If exploited, this vulnerability can lead to continuous crashes of the routing protocol daemon (RPD), resulting in a sustained Denial of Service. This means legitimate traffic can be tangled in a web of failures, affecting your network's reliability and overall performance—an absolutely devastating scenario for any operation relying on smooth connectivity. To mitigate this risk, upgrade your Junos OS to version 16.1R1 or later. If you're on affected versions prior to 15.1F6-S10 or 15.1R6-S6, act fast and apply the necessary patches to secure your devices. Regular audits on your BGP configurations are also a great idea! You've got this! Follow these steps, and you'll reinforce your network's defenses in no time! 🛡️

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
0.03721 · 89.7th percentile
Published
2018-07-11T18:00Z
EPSS history
Timeline
  • 11 JUL 18:00Z
    Junos OS: RPD daemon crashes due to receipt of crafted BGP NOTIFICATION messages
    cvelistv5