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CVE-2023-239406.4MediumCWE-347

CVE-2023-23940: OpenZeppelin Contracts for Cairo is vulnerable to signature validation bypass

OpenZeppelin · cairo-contracts

Affected: OpenZeppelin cairo-contracts · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.2%probability of exploitation in the next 30 days
12th percentile
050100

Higher than 12% of scored CVEs

6.4MediumCVSS 3.1
LowMedium

DescriptionCVE.org

OpenZeppelin Contracts for Cairo is a library for secure smart contract development written in Cairo for StarkNet, a decentralized ZK Rollup. `is_valid_eth_signature` is missing a call to `finalize_keccak` after calling `verify_eth_signature`. As a result, any contract using `is_valid_eth_signature` from the account library (such as the `EthAccount` preset) is vulnerable to a malicious sequencer. Specifically, the malicious sequencer would be able to bypass signature validation to impersonate an instance of these accounts. The issue has been patched in 0.6.1.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • OpenZeppelin · cairo-contracts>= 0.2.0, < 0.6.1

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV
Not listed
Public check
No public nuclei template
Published
February 2023

CoverageNo articles yet

No CyberSIXT article names CVE-2023-23940 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References