CVE-2024-45056

CVSS V2 None CVSS V3 None
Description
zksolc is a Solidity compiler for ZKsync. All LLVM versions since 2015 fold `(xor (shl 1, x), -1)` to `(rotl ~1, x)` if run with optimizations enabled. Here `~1` is generated as an unsigned 64 bits number (`2^64-1`). This number is zero-extended to 256 bits on EraVM target while it should have been sign-extended. Thus instead of producing `roti 2^256 - 1, x` the compiler produces `rotl 2^64 - 1, x`. Analysis has shown that no contracts were affected by the date of publishing this advisory. This issue has been addressed in version 1.5.3. Users are advised to upgrade and redeploy all contracts. There are no known workarounds for this vulnerability.
Overview
  • CVE ID
  • CVE-2024-45056
  • Assigner
  • GitHub_M
  • Vulnerability Status
  • PUBLISHED
  • Published Version
  • 2024-08-29T16:55:53.281Z
  • Last Modified Date
  • 2024-08-29T17:16:47.076Z
History
Created Old Value New Value Data Type Notes
2024-08-30 13:12:23 Added to TrackCVE