{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2022-41716", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "state": "PUBLISHED", "assignerShortName": "Go", "requesterUserId": "7d08541a-cd0a-42e2-8f81-76e6ceb65fc3", "dateReserved": "2022-09-28T17:00:06.607Z", "datePublished": "2022-11-02T15:28:19.574Z", "dateUpdated": "2023-06-12T19:12:49.198Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2023-06-12T19:12:49.198Z"}, "title": "Unsanitized NUL in environment variables on Windows in syscall and os/exec", "descriptions": [{"lang": "en", "value": "Due to unsanitized NUL values, attackers may be able to maliciously set environment variables on Windows. In syscall.StartProcess and os/exec.Cmd, invalid environment variable values containing NUL values are not properly checked for. A malicious environment variable value can exploit this behavior to set a value for a different environment variable. For example, the environment variable string \"A=B\\x00C=D\" sets the variables \"A=B\" and \"C=D\"."}], "affected": [{"vendor": "Go standard library", "product": "syscall", "collectionURL": "https://pkg.go.dev", "packageName": "syscall", "versions": [{"version": "0", "lessThan": "1.18.8", "status": "affected", "versionType": "semver"}, {"version": "1.19.0-0", "lessThan": "1.19.3", "status": "affected", "versionType": "semver"}], "platforms": ["windows"], "programRoutines": [{"name": "StartProcess"}], "defaultStatus": "unaffected"}, {"vendor": "Go standard library", "product": "os/exec", "collectionURL": "https://pkg.go.dev", "packageName": "os/exec", "versions": [{"version": "0", "lessThan": "1.18.8", "status": "affected", "versionType": "semver"}, {"version": "1.19.0-0", "lessThan": "1.19.3", "status": "affected", "versionType": "semver"}], "platforms": ["windows"], "programRoutines": [{"name": "Cmd.environ"}, {"name": "dedupEnv"}, {"name": "dedupEnvCase"}, {"name": "Cmd.CombinedOutput"}, {"name": "Cmd.Environ"}, {"name": "Cmd.Output"}, {"name": "Cmd.Run"}, {"name": "Cmd.Start"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-158: Improper Neutralization of Null Byte or NUL Character"}]}], "references": [{"url": "https://go.dev/issue/56284"}, {"url": "https://go.dev/cl/446916"}, {"url": "https://groups.google.com/g/golang-announce/c/mbHY1UY3BaM/m/hSpmRzk-AgAJ"}, {"url": "https://pkg.go.dev/vuln/GO-2022-1095"}], "credits": [{"lang": "en", "value": "RyotaK (https://twitter.com/ryotkak)"}]}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*", "matchCriteriaId": "38EFB36B-50AE-41B5-A036-EBE041702AF7", "versionEndExcluding": "1.18.8", "vulnerable": true}, {"criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*", "matchCriteriaId": "D3E7F5D0-6DE2-4D7E-AF0A-04C4BE7F512D", "versionEndExcluding": "1.19.3", "versionStartIncluding": "1.19.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "Due to unsanitized NUL values, attackers may be able to maliciously set environment variables on Windows. In syscall.StartProcess and os/exec.Cmd, invalid environment variable values containing NUL values are not properly checked for. A malicious environment variable value can exploit this behavior to set a value for a different environment variable. For example, the environment variable string \"A=B\\x00C=D\" sets the variables \"A=B\" and \"C=D\"."}, {"lang": "es", "value": "Debido a valores NUL no sanitizados, los atacantes pueden configurar variables de entorno de forma maliciosa en Windows. En syscall.StartProcess y os/exec.Cmd, los valores de variables de entorno no v\u00e1lidos que contienen valores NUL no se verifican correctamente. Un valor de variable de entorno malicioso puede aprovechar este comportamiento para establecer un valor para una variable de entorno diferente. Por ejemplo, la cadena de variable de entorno \"A=B\\x00C=D\" establece las variables \"A=B\" y \"C=D\"."}], "id": "CVE-2022-41716", "lastModified": "2023-11-07T03:52:55.307", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-11-02T16:15:11.150", "references": [{"source": "security@golang.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://go.dev/cl/446916"}, {"source": "security@golang.org", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://go.dev/issue/56284"}, {"source": "security@golang.org", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://groups.google.com/g/golang-announce/c/mbHY1UY3BaM/m/hSpmRzk-AgAJ"}, {"source": "security@golang.org", "tags": ["Vendor Advisory"], "url": "https://pkg.go.dev/vuln/GO-2022-1095"}], "sourceIdentifier": "security@golang.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}