CVE-2025-24946

State: Published
Severity: 5.3 Medium
Published: Feb 20, 2025
Updated: Feb 20, 2025
Reserved: Jan 29, 2025

Description

The hash table used to manage connections in picoquic before b80fd3f uses a weak hash function, allowing remote attackers to cause a considerable CPU load on the server (a Hash DoS attack) by initiating connections with colliding Source Connection IDs (SCIDs).

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	mitre

Weaknesses

CWE-407 Inefficient Algorithmic Complexity

Affected Products

Product	Versions
picoquicprivateoctopus	before b80fd3f5903279ae3e7714ee4109363d9ab4491aAffected

References

https://github.com/ncc-pbottine/QUIC-Hash-Dos-Advisory
https://github.com/private-octopus/picoquic/commit/b80fd3f5903279ae3e7714ee4109363d9ab4491a

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