CVE-2021-29511

{"id": "CVE-2021-29511", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2021-05-12T18:15:08.527", "references": [{"url": "https://crates.io/crates/evm", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/rust-blockchain/evm/commit/19ade858c430ab13eb562764a870ac9f8506f8dd", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/rust-blockchain/evm/security/advisories/GHSA-4jwq-572w-4388", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "evm is a pure Rust implementation of Ethereum Virtual Machine. Prior to the patch, when executing specific EVM opcodes related to memory operations that use `evm_core::Memory::copy_large`, the `evm` crate can over-allocate memory when it is not needed, making it possible for an attacker to perform denial-of-service attack. The flaw was corrected in commit `19ade85`. Users should upgrade to `==0.21.1, ==0.23.1, ==0.24.1, ==0.25.1, >=0.26.1`. There are no workarounds. Please upgrade your `evm` crate version."}, {"lang": "es", "value": "evm es una implementaci\u00f3n pura de Rust de Ethereum Virtual Machine. Anterior al parche, cuando se ejecutan c\u00f3digos de operaci\u00f3n EVM espec\u00edficos relacionados con operaciones de memoria que usan la funci\u00f3n \"evm_core::Memory::copy_large\", la crate \"evm\" puede sobreasignar memoria cuando no es necesaria, haciendo posible a un atacante llevar a cabo un ataque de denegaci\u00f3n de servicio. El fallo fue corregido en el commit \"19ade85\". Los usuarios deber\u00edan actualizar a \"==0.21.1, ==0.23.1, ==0.24.1, ==0.25.1, )=0.26.1\". No existen soluciones alternativas. Por favor Actualice su versi\u00f3n de crate \"evm\""}], "lastModified": "2022-10-25T19:13:21.267", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:evm_project:evm:*:*:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "BC526576-249B-4C0E-AAF0-85614F8F42E1", "versionEndIncluding": "0.21.0"}, {"criteria": "cpe:2.3:a:evm_project:evm:0.22.0:*:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "F18F86B1-8BED-4A6E-91A9-BB77819A3A6C"}, {"criteria": "cpe:2.3:a:evm_project:evm:0.23.0:*:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "07E8CA2D-3CF8-4069-9F3F-D9CB0E6FB182"}, {"criteria": "cpe:2.3:a:evm_project:evm:0.24.0:*:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "E70A1FF9-F6EE-486B-9E91-A6548E624A02"}, {"criteria": "cpe:2.3:a:evm_project:evm:0.25.0:*:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "4D49607D-993F-44D7-A144-68B4939B6B2D"}, {"criteria": "cpe:2.3:a:evm_project:evm:0.26.0:*:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "2C81A330-9BAF-4CC7-BA5C-69164C4A6189"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}