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CVE-2023-23940
CVE
Medium

OpenZeppelin Contracts for Cairo is a library for secure smart contract development written in Cairo for StarkNet, a decentralized ZK Rollu…

CVSS
5.3
Medium
EPSS
0.00
p12
Published
2023-01-01
Updated
2023-01-01
Description

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.

Tags · CWE
CWE-345
CAPEC-111
CAPEC-141
CAPEC-142
CAPEC-148
CAPEC-218
CAPEC-384
CAPEC-385
CAPEC-386
CAPEC-387
CAPEC-388
CAPEC-665
CAPEC-701
Affected products
Contracts 0.2.0–0.6.1
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Timeline
2023-01-01
Published
2023-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: H
High (H)
Privileges Required
PR: L
Low (L)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: N
None (N)
Availability Impact
A: N
None (N)
Exploit indicators
EPSS
0.002 · p12
Known exploited (KEV)
No
MITRE ATT&CK
Inferred via CAPEC
└ via CAPEC-665 · CWE-345
└ via CAPEC-148 · CWE-345
└ via CAPEC-665 · CWE-345
└ via CAPEC-665 · CWE-345
└ via CAPEC-141 · CWE-345
└ via CAPEC-142 · CWE-345
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
ProductVendorStatus
contracts*Tracked
Source databases
CVE