Insufficient Entropy Affecting thinbus-srp package, versions <2.0.1
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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- published8 Aug 2025
- disclosed6 Aug 2025
- creditSven Schindler
Introduced: 6 Aug 2025
NewCVE-2025-54885 (opens in a new tab)How to fix?
Upgrade thinbus-srp to version 2.0.1 or higher.
Overview
thinbus-srp is a Secure Remote Password SRP SRP6a implementation.
Affected versions of this package are vulnerable to Insufficient Entropy in the toHex function. An attacker can reduce the security margin of the protocol and potentially compromise session confidentiality by exploiting the predictable bit length of the generated value.
Workaround
This vulnerability can be mitigated by patching legacy versions to use the correct calculation for the hex length as described in the advisory.