Improper Privilege Management Affecting frost-ed448 package, versions >=2.0.0 <2.2.0
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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- published4 Sept 2025
- disclosed3 Sept 2025
- creditBlockSec
Introduced: 3 Sep 2025
NewCVE-2025-58359 (opens in a new tab)How to fix?
Upgrade frost-ed448 to version 2.2.0 or higher.
Overview
Affected versions of this package are vulnerable to Improper Privilege Management through the frost_core::keys::refresh function when the min_signers parameter is set to a smaller value than originally configured. An attacker can reduce the security of group shares by performing a refresh operation with a lower threshold, potentially weakening the cryptographic guarantees of the group.
Note:
This is only exploitable if the refresh share functionality is used with a smaller min_signers value than the original threshold.
Workaround
This vulnerability can be mitigated by avoiding the use of the refresh share functionality with a smaller min_signers parameter.