CVE-2024-45056

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{"affected": [{"affectedData": [{"product": "era-compiler-solidity", "vendor": "matter-labs", "versions": [{"status": "affected", "version": "< 1.5.3"}]}], "source": "security-advisories@github.com"}, {"affectedData": [{"cpes": ["cpe:2.3:a:matter-labs:era-compiler-solidity:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "era-compiler-solidity", "vendor": "matter-labs", "versions": [{"lessThan": "1.5.3", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:matter-labs:zksolc:*:*:*:*:*:*:*:*", "matchCriteriaId": "6C6C5C19-A23C-4059-AD36-CECE6B08C936", "versionEndExcluding": "1.5.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "zksolc es un compilador de Solidity para ZKsync. Todas las versiones de LLVM desde 2015 convierten `(xor (shl 1, x), -1)` en `(rotl ~1, x)` si se ejecutan con optimizaciones habilitadas. Aqu\u00ed, `~1` se genera como un n\u00famero de 64 bits sin signo (`2^64-1`). Este n\u00famero se extiende a 256 bits en el destino EraVM, mientras que deber\u00eda haberse extendido a signo. Por lo tanto, en lugar de producir `roti 2^256 - 1, x`, el compilador produce `rotl 2^64 - 1, x`. El an\u00e1lisis ha demostrado que ning\u00fan contrato se vio afectado a la fecha de publicaci\u00f3n de este aviso. Este problema se ha solucionado en la versi\u00f3n 1.5.3. Se recomienda a los usuarios que actualicen y vuelvan a implementar todos los contratos. No existen workarounds para esta vulnerabilidad."}], "id": "CVE-2024-45056", "lastModified": "2026-06-17T07:53:30.333", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-45056", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-08-29T17:13:59.519347Z", "version": "2.0.3"}}]}, "published": "2024-08-29T17:15:09.173", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/llvm/llvm-project/commit/e48237df95b49a36b8ffceb78c8a58f4be1b4344"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/matter-labs/era-compiler-solidity/security/advisories/GHSA-fpx7-8vc6-frjj"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-682"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-682"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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