{"containers": {"cna": {"affected": [{"product": "uap-core", "vendor": "ua-parser", "versions": [{"status": "affected", "version": "< 0.7.3"}]}], "descriptions": [{"lang": "en", "value": "uap-core before 0.7.3 is vulnerable to a denial of service attack when processing crafted User-Agent strings. Some regexes are vulnerable to regular expression denial of service (REDoS) due to overlapping capture groups. This allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to maliciously crafted long strings. This has been patched in uap-core 0.7.3."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20: Improper Input Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-02-20T23:15:14.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/ua-parser/uap-core/security/advisories/GHSA-cmcx-xhr8-3w9p"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/ua-parser/uap-core/commit/0afd61ed85396a3b5316f18bfd1edfaadf8e88e1"}], "source": {"advisory": "GHSA-cmcx-xhr8-3w9p", "discovery": "UNKNOWN"}, "title": "Denial of Service in uap-core when processing crafted User-Agent strings", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-5243", "STATE": "PUBLIC", "TITLE": "Denial of Service in uap-core when processing crafted User-Agent strings"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "uap-core", "version": {"version_data": [{"version_value": "< 0.7.3"}]}}]}, "vendor_name": "ua-parser"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "uap-core before 0.7.3 is vulnerable to a denial of service attack when processing crafted User-Agent strings. Some regexes are vulnerable to regular expression denial of service (REDoS) due to overlapping capture groups. This allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to maliciously crafted long strings. This has been patched in uap-core 0.7.3."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-20: Improper Input Validation"}]}]}, "references": {"reference_data": [{"name": "https://github.com/ua-parser/uap-core/security/advisories/GHSA-cmcx-xhr8-3w9p", "refsource": "CONFIRM", "url": "https://github.com/ua-parser/uap-core/security/advisories/GHSA-cmcx-xhr8-3w9p"}, {"name": "https://github.com/ua-parser/uap-core/commit/0afd61ed85396a3b5316f18bfd1edfaadf8e88e1", "refsource": "MISC", "url": "https://github.com/ua-parser/uap-core/commit/0afd61ed85396a3b5316f18bfd1edfaadf8e88e1"}]}, "source": {"advisory": "GHSA-cmcx-xhr8-3w9p", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T08:22:09.077Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/ua-parser/uap-core/security/advisories/GHSA-cmcx-xhr8-3w9p"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/ua-parser/uap-core/commit/0afd61ed85396a3b5316f18bfd1edfaadf8e88e1"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2020-5243", "datePublished": "2020-02-20T23:15:14.000Z", "dateReserved": "2020-01-02T00:00:00.000Z", "dateUpdated": "2024-08-04T08:22:09.077Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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