CVE-2020-12821

Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack

published July 7, 2020

CVSS
—
EPSS
2%
Percentile
80.0
In the wild
Unconfirmed
What it is

⚡ Gossipsub 1.0 has a surprising weakness against invalid message spam, making it vulnerable to Eclipse and Sybil attacks! Think of it like a crowded party where a few guests start shouting false information, causing confusion and mistrust among everyone. If you don't have a way to filter out those loudmouths, the entire event goes haywire! If an attacker successfully launches these spam tactics, they could manipulate the network's communication, leading to misinformation and disruption among peers. This could ultimately compromise the integrity of the messages shared, causing chaos within the network.

Put simply

Think of it like a crowded party where a few guests start shouting false information, causing confusion and mistrust among everyone. If you don't have a way to filter out those loudmouths, the entire event goes haywire! The vulnerability in Gossipsub 1.0 stems from its inability to properly resist invalid message spam, allowing an attacker to exploit this by flooding the network with misleading messages, undermining its functionality.

What to do

If an attacker successfully launches these spam tactics, they could manipulate the network's communication, leading to misinformation and disruption among peers. This could ultimately compromise the integrity of the messages shared, causing chaos within the network. To mitigate this risk, it’s essential to update to the latest Gossipsub version where these issues are addressed. Implementing message validation and rate limiting can also help prevent such malicious activities in the future. You've got this! By taking these steps, you'll help secure your network and keep the chatter clear. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01937 · 80.0th percentile
Published
2020-07-07T19:18Z
EPSS history
Timeline
  • 07 JUL 19:18Z
    Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack
    cvelistv5