CVE-2025-58359— frost-core: refresh shares with smaller min_signers will reduce group security
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I. Basic Information for CVE-2025-58359
Vulnerability Information
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Vulnerability Title
frost-core: refresh shares with smaller min_signers will reduce group security
Source: NVD (National Vulnerability Database)
Vulnerability Description
ZF FROST is a Rust implementation of FROST (Flexible Round-Optimised Schnorr Threshold signatures). In versions 2.0.0 through 2.1.0, refresh shares with smaller min_signers will reduce security of group. The inability to change min_signers (i.e. the threshold) with the refresh share functionality (frost_core::keys::refresh module) was not made clear to users. Using a smaller value would not decrease the threshold, and attempts to sign using a smaller threshold would fail. Additionally, after refreshing the shares with a smaller threshold, it would still be possible to sign with the original threshold, potentially causing a security loss to the participant's shares. This issue is fixed in version 2.2.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
缺少必要的密码学步骤
Source: NVD (National Vulnerability Database)
Vulnerability Title
FROST 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FROST是Zcash Foundation开源的一个Rust库。 FROST 2.0.0至2.1.0版本存在安全漏洞，该漏洞源于使用较小min_signers刷新共享会降低组安全性。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ZcashFoundation | frost | >= 2.0.0, < 2.2.0 | - |
II. Public POCs for CVE-2025-58359
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|---|
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