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Duplicate Advisory: CIRCL-Fourq: Missing and wrong validation can lead to incorrect results

Low severity GitHub Reviewed Published Aug 6, 2025 to the GitHub Advisory Database • Updated Aug 6, 2025
Withdrawn This advisory was withdrawn on Aug 6, 2025

Package

gomod github.com/cloudflare/circl (Go)

Affected versions

< 1.6.1

Patched versions

1.6.1

Description

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-2x5j-vhc8-9cwm. This link is maintained to preserve external references.

Original Description

A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange.

References

Published by the National Vulnerability Database Aug 6, 2025
Published to the GitHub Advisory Database Aug 6, 2025
Last updated Aug 6, 2025
Reviewed Aug 6, 2025
Withdrawn Aug 6, 2025

Severity

Low

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS score

Weaknesses

Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data. Learn more on MITRE.

CVE ID

No known CVE

GHSA ID

GHSA-522r-9946-fw43

Source code

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