CVE-2024-35229
CVE-2024-35229 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-696.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-35250
- Weakness: CWE-696
- Published:
- Last modified:
Description
ZKsync Era is a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. Prior to version 1.3.10, there is a very specific pattern `f(a(),b()); check_if_a_executed_last()` in Yul that exposes a bug in evaluation order of Yul function arguments. This vulnerability has been fixed in version 1.3.10. As a workaround, update and redeploy affected contracts.
Frequently asked questions
- What is CVE-2024-35229?
- ZKsync Era is a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. Prior to version 1.3.10, there is a very specific pattern `f(a(),b()); check_if_a_executed_last()` in Yul that exposes a bug in evaluation order of Yul function arguments. This vulnerability has been fixed in version 1.3.10. As a workaround, update and redeploy affected contracts.
- How severe is CVE-2024-35229?
- CVE-2024-35229 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2024-35229 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-35229?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-35229 have an EU (EUVD) identifier?
- Yes. CVE-2024-35229 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35250.
- When was CVE-2024-35229 published?
- CVE-2024-35229 was published on 2024-05-27 and last updated on 2026-06-17.
References
- https://github.com/matter-labs/era-compiler-solidity/commit/46ce047b51576495779b9f67534207d8154eab79
- https://github.com/matter-labs/era-compiler-solidity/security/advisories/GHSA-jf9w-7f5g-j95p
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