{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-41715", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "assignerShortName": "Go", "dateUpdated": "2023-06-12T19:05:32.997Z", "dateReserved": "2022-09-28T00:00:00", "datePublished": "2022-10-14T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2023-06-12T19:05:32.997Z"}, "title": "Memory exhaustion when compiling regular expressions in regexp/syntax", "descriptions": [{"lang": "en", "value": "Programs which compile regular expressions from untrusted sources may be vulnerable to memory exhaustion or denial of service. The parsed regexp representation is linear in the size of the input, but in some cases the constant factor can be as high as 40,000, making relatively small regexps consume much larger amounts of memory. After fix, each regexp being parsed is limited to a 256 MB memory footprint. Regular expressions whose representation would use more space than that are rejected. Normal use of regular expressions is unaffected."}], "affected": [{"vendor": "Go standard library", "product": "regexp/syntax", "collectionURL": "https://pkg.go.dev", "packageName": "regexp/syntax", "versions": [{"version": "0", "lessThan": "1.18.7", "status": "affected", "versionType": "semver"}, {"version": "1.19.0-0", "lessThan": "1.19.2", "status": "affected", "versionType": "semver"}], "programRoutines": [{"name": "parser.push"}, {"name": "parser.repeat"}, {"name": "parser.factor"}, {"name": "parse"}, {"name": "Parse"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE 400: Uncontrolled Resource Consumption"}]}], "references": [{"url": "https://go.dev/issue/55949"}, {"url": "https://go.dev/cl/439356"}, {"url": "https://groups.google.com/g/golang-announce/c/xtuG5faxtaU"}, {"url": "https://pkg.go.dev/vuln/GO-2022-1039"}, {"url": "https://security.gentoo.org/glsa/202311-09"}], "credits": [{"lang": "en", "value": "Adam Korczynski (ADA Logics)"}, {"lang": "en", "value": "OSS-Fuzz"}]}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*", "matchCriteriaId": "9CB667C1-EC12-4400-B4F0-6D3B7DDAAD99", "versionEndExcluding": "1.18.7", "vulnerable": true}, {"criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*", "matchCriteriaId": "7614AA04-CA34-4ED8-B580-005EA84BD5B4", "versionEndExcluding": "1.19.2", "versionStartIncluding": "1.19.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Programs which compile regular expressions from untrusted sources may be vulnerable to memory exhaustion or denial of service. The parsed regexp representation is linear in the size of the input, but in some cases the constant factor can be as high as 40,000, making relatively small regexps consume much larger amounts of memory. After fix, each regexp being parsed is limited to a 256 MB memory footprint. Regular expressions whose representation would use more space than that are rejected. Normal use of regular expressions is unaffected."}, {"lang": "es", "value": "Los programas que compilan expresiones regulares desde fuentes no confiables pueden ser vulnerables al agotamiento de la memoria o a la denegaci\u00f3n de servicio. La representaci\u00f3n de la regexp analizada es lineal en el tama\u00f1o de la entrada, pero en algunos casos el factor constante puede llegar a ser de 40.000, lo que hace que regexps relativamente peque\u00f1as consuman cantidades mucho mayores de memoria. Despu\u00e9s de la correcci\u00f3n, cada regexp que es analizado est\u00e1 limitada a un espacio de memoria de 256 MB. Las expresiones regulares cuya representaci\u00f3n use m\u00e1s espacio que eso son rechazadas. El uso normal de las expresiones regulares no est\u00e1 afectado"}], "id": "CVE-2022-41715", "lastModified": "2023-11-25T11:15:09.940", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-10-14T15:16:20.780", "references": [{"source": "security@golang.org", "tags": ["Patch"], "url": "https://go.dev/cl/439356"}, {"source": "security@golang.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://go.dev/issue/55949"}, {"source": "security@golang.org", "tags": ["Mailing List", "Release Notes"], "url": "https://groups.google.com/g/golang-announce/c/xtuG5faxtaU"}, {"source": "security@golang.org", "tags": ["Vendor Advisory"], "url": "https://pkg.go.dev/vuln/GO-2022-1039"}, {"source": "security@golang.org", "url": "https://security.gentoo.org/glsa/202311-09"}], "sourceIdentifier": "security@golang.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}