27 matches found
sp1 has insufficient observation of cumulative sum
During proof generation, the prover must observe all values sent to the verifier to generate valid Fiat-Shamir challenges. Prior to v3.0.0 the cumulative sum of the permutation argument was not observed when sampling zeta, which is a random challenge sampled to force the constraints to be true. I...
GHSA-9XCG-3Q8V-7FQ6 gnark commitments to private witnesses in Groth16 as implemented break zero-knowledge property
This report concerns the Groth16 prover when used with commitments as in frontend.Committer. To simplify exposition of the issue, I will focus on the case of a single commitment, to only private witnesses. But the issue should be present whenever commitments are used that include private witnesse...
CVE-2024-45039
gnark is a fast zk-SNARK library that offers a high-level API to design circuits. Versions prior to 0.11.0 have a soundness issue - in case of multiple commitments used inside the circuit the prover is able to choose all but the last commitment. As gnark uses the commitments for optimized...
CVE-2024-45039 gnark's Groth16 commitment extension unsound for more than one commitment
gnark is a fast zk-SNARK library that offers a high-level API to design circuits. Versions prior to 0.11.0 have a soundness issue - in case of multiple commitments used inside the circuit the prover is able to choose all but the last commitment. As gnark uses the commitments for optimized...
Calculation error in ark-r1cs-std
An issue was discovered in the ark-r1cs-std crate before 0.3.1 for Rust. It does not enforce any constraints in the FieldVar::mulbyinverse method. Thus, a prover can produce a proof that is unsound but is nonetheless verified...
Design/Logic Flaw
An issue was discovered in the ark-r1cs-std crate before 0.3.1 for Rust. It does not enforce any constraints in the FieldVar::mulbyinverse method. Thus, a prover can produce a proof that is unsound but is nonetheless verified...
Dynamic Binary Analysis Tool: Manticore
Manticore is a prototyping tool for dynamic binary analysis, with support for symbolic execution, taint analysis, and binary instrumentation. Manticore comes with an easy-to-use command line tool that quickly generates new program “test cases” or sample inputs with symbolic execution. Each test...