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sp1-recursion-gnark-ffi

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1 actionable advisory, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. Medium, CVSS 6.9crates.ioPublished

    sp1-recursion-gnark-ffi has insufficient range checks of BabyBear arithmetic

    GHSA-f77q-r5qm-w4m8

    Affected
    • crates.io sp1-recursion-gnark-ffi < 1.2.0
    Fixed in
    1.2.0· Vendor fix available
    Issue
    The Gnark recursion circuit constrains arithmetic over BabyBear when the native field of the ZKP circuit is the BN254 scalar field. Proper implementation of this logic requires range checking Bn254 values to be less than the BabyBear modulus. In versions < 1.2.0, functions like InvF and InvE used values generated by hints that were not appropriately range checked. These issues are resolved in versions 1.2.0 and higher, by adding range checks in the appropriate places. This code was covered under the original audit scope of the recursion circuit audit by Veridise, and both Veridise and Kalos revisited the code for similar issues and found no additional vulnerabilities. This issue was discovered by the Succinct team on September 3rd. The issue was fixed and resolved within 48 hours, and released with V1.2.0 (note that a later V2.0.0 release has the same contents as V1.2.0 to respect semver), with production SP1 users being notified and upgraded immediately. The V1.1.0 verifier was…

    Recommended action: Upgrade to 1.2.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →