{"containers": {"cna": {"affected": [{"product": "vyper", "vendor": "vyperlang", "versions": [{"status": "affected", "version": "<= 0.3.1"}]}], "descriptions": [{"lang": "en", "value": "Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine. In version 0.3.1 and prior, bytestrings can have dirty bytes in them, resulting in the word-for-word comparisons giving incorrect results. Even without dirty nonzero bytes, two bytestrings can compare to equal if one ends with `\"\\x00\"` because there is no comparison of the length. A patch is available and expected to be part of the 0.3.2 release. There are currently no known workarounds."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-697", "description": "CWE-697: Incorrect Comparison", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-04-04T17:35:10", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/vyperlang/vyper/security/advisories/GHSA-7vrm-3jc8-5wwm"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/vyperlang/vyper/commit/2c73f8352635c0a433423a5b94740de1a118e508"}], "source": {"advisory": "GHSA-7vrm-3jc8-5wwm", "discovery": "UNKNOWN"}, "title": "Incorrect Comparison in Vyper", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-24787", "STATE": "PUBLIC", "TITLE": "Incorrect Comparison in Vyper"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "vyper", "version": {"version_data": [{"version_value": "<= 0.3.1"}]}}]}, "vendor_name": "vyperlang"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine. In version 0.3.1 and prior, bytestrings can have dirty bytes in them, resulting in the word-for-word comparisons giving incorrect results. Even without dirty nonzero bytes, two bytestrings can compare to equal if one ends with `\"\\x00\"` because there is no comparison of the length. A patch is available and expected to be part of the 0.3.2 release. There are currently no known workarounds."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-697: Incorrect Comparison"}]}]}, "references": {"reference_data": [{"name": "https://github.com/vyperlang/vyper/security/advisories/GHSA-7vrm-3jc8-5wwm", "refsource": "CONFIRM", "url": "https://github.com/vyperlang/vyper/security/advisories/GHSA-7vrm-3jc8-5wwm"}, {"name": "https://github.com/vyperlang/vyper/commit/2c73f8352635c0a433423a5b94740de1a118e508", "refsource": "MISC", "url": "https://github.com/vyperlang/vyper/commit/2c73f8352635c0a433423a5b94740de1a118e508"}]}, "source": {"advisory": "GHSA-7vrm-3jc8-5wwm", "discovery": "UNKNOWN"}}}}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-24787", "datePublished": "2022-04-04T17:35:10", "dateReserved": "2022-02-10T00:00:00", "dateUpdated": "2022-04-04T17:35:10", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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