Asymmetric Resource Consumption (Amplification) Affecting neoraider/fastd package, versions [,23)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published29 Jan 2025
- disclosed27 Jan 2025
- creditUnknown
Introduced: 27 Jan 2025
NewCVE-2025-24356 (opens in a new tab)How to fix?
Upgrade neoraider/fastd to version 23 or higher.
Overview
Affected versions of this package are vulnerable to Asymmetric Resource Consumption (Amplification) by abusing the fast reconnect feature, which is triggered by any received packet from an unknown address+port combination. An attacker can amplify UDP traffic to render the service unavailable by sending minimally-sized packets with a spoofed source address.
Note: Applications using the client role that configure their peers using the remote config option are unaffected because they do not respond to unknown requests with a handshake.