CVE-2025-54426

Description

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. In versions prior to commit 36f70d1, the Curve25519Add and Curve25519ScalarMul precompiles incorrectly handle invalid Ristretto point representations. Instead of returning an error, they silently treat invalid input bytes as the Ristretto identity element, leading to potentially incorrect cryptographic results. This is fixed in commit 36f70d1.

Weakness Type (CWE)

CWE-327 CWE-327

References

Other References

https://dotpal.io/assets/files/frontier-srlabs-2505-718c3bfa5df9fed1862fed05de506859.pdf https://github.com/polkadot-evm/frontier/commit/36f70d1defcaeaed5a453015f6c98c21bb5b121b https://github.com/polkadot-evm/frontier/pull/1720/commits/8ed6053fb868495477ba2409f7e64f439df76f96 https://github.com/polkadot-evm/frontier/security/advisories/GHSA-v4q3-23rh-w5mw

Frequently Asked Questions

What is CVE-2025-54426? +

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. In versions prior to commit 36f70d1, the Curve25519Add and Curve25519ScalarMul precompiles incorrectly handle invalid Ristretto point representations. Instead of returning an error, they silently treat invalid input bytes as the Ristretto identity element, leading to potentially incorrect cryptographic results. This is fixed in commit 36f70d1.

How do I check if I'm vulnerable to CVE-2025-54426? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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