CVE-2009-0418

The IPv6 Neighbor Discovery Protocol (NDP) implementation in HP HP-UX B.11.11, B.11.23, and B.11.31 does not validate the origin of Neighbor Discovery…

published February 4, 2009

CVSS
—
EPSS
8%
Percentile
94.9
In the wild
Unconfirmed
What it is

⚠️ A clever spoof can disrupt your network! The IPv6 Neighbor Discovery Protocol in certain HP-UX versions is vulnerable, allowing sneaky attackers to cause connectivity headaches and more! 🔥 Think of it like a wild party where anyone can slip in and pretend to be a friend — if they send a fake invitation, they could change the music, lock the doors, or shut down the fun entirely! An attacker can exploit this flaw to send malicious Neighbor Discovery messages, resulting in denial of service and loss of connectivity. They could even read sensitive network traffic or possibly execute arbitrary code, leading to chaos on your network!

Put simply

Think of it like a wild party where anyone can slip in and pretend to be a friend — if they send a fake invitation, they could change the music, lock the doors, or shut down the fun entirely! This vulnerability arises from the NDP implementation in HP-UX not validating the authenticity of messages. As a result, spoofed messages can manipulate the Forward Information Base (FIB), compromising network integrity.

What to do

An attacker can exploit this flaw to send malicious Neighbor Discovery messages, resulting in denial of service and loss of connectivity. They could even read sensitive network traffic or possibly execute arbitrary code, leading to chaos on your network! To defend against this vulnerability, consider applying the latest patches to your HP-UX systems, specifically targeting versions B.11.11, B.11.23, and B.11.31. Additionally, implement security measures such as filtering and securing NDP messages to prevent unauthorized access. 🛡️ You've got this! With the right steps, your network will be safer in no time. 😊

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.08170 · 94.9th percentile
Published
2009-02-04T19:00Z
EPSS history
Timeline
  • 04 FEB 19:00Z
    The IPv6 Neighbor Discovery Protocol (NDP) implementation in HP HP-UX B.11.11, B.11.23, and B.11.31 does not validate the origin of Neighbor Discovery…
    cvelistv5