2 lines
4.4 KiB
JSON
2 lines
4.4 KiB
JSON
{"affected":[{"affectedData":[{"product":"uap-core","vendor":"ua-parser","versions":[{"status":"affected","version":"< 0.11.0"}]}],"source":"security-advisories@github.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:uap-core_project:uap-core:*:*:*:*:*:node.js:*:*","matchCriteriaId":"77C70DB0-831D-4909-B87A-839C80F96572","versionEndExcluding":"0.11.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"uap-core in an open-source npm package which contains the core of BrowserScope's original user agent string parser. In uap-core before version 0.11.0, 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 is fixed in version 0.11.0. Downstream packages such as uap-python, uap-ruby etc which depend upon uap-core follow different version schemes."},{"lang":"es","value":"uap-core en un paquete npm de código abierto que contiene el core del analizador de cadenas del agente de usuario original de BrowserScope. En uap-core versiones anteriores a 0.11.0, algunas expresiones regulares son vulnerables a una denegación de servicio de expresión regular (REDoS) debido a la superposición de grupos de captura. Esto permite a atacantes remotos sobrecargar un servidor configurando el encabezado User-Agent en una petición HTTP(S) en cadenas largas diseñadas maliciosamente. Esto es corregido en versión 0.11.0. Los paquetes posteriores como uap-python, uap-ruby, etc., que dependen de uap-core, siguen esquemas de versiones diferentes"}],"id":"CVE-2021-21317","lastModified":"2026-06-17T03:35:17.093","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":5.0,"confidentialityImpact":"NONE","integrityImpact":"NONE","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","version":"2.0"},"exploitabilityScore":10.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","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:L","version":"3.1"},"exploitabilityScore":3.9,"impactScore":1.4,"source":"security-advisories@github.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","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:L","version":"3.1"},"exploitabilityScore":3.9,"impactScore":1.4,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-02-16T18:15:12.583","references":[{"source":"security-advisories@github.com","tags":["Patch"],"url":"https://github.com/ua-parser/uap-core/commit/dc9925d458214cfe87b93e35346980612f6ae96c"},{"source":"security-advisories@github.com","tags":["Third Party Advisory"],"url":"https://github.com/ua-parser/uap-core/security/advisories/GHSA-p4pj-mg4r-x6v4"},{"source":"security-advisories@github.com","tags":["Product","Third Party Advisory"],"url":"https://www.npmjs.com/package/uap-core"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"url":"https://github.com/ua-parser/uap-core/commit/dc9925d458214cfe87b93e35346980612f6ae96c"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://github.com/ua-parser/uap-core/security/advisories/GHSA-p4pj-mg4r-x6v4"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Product","Third Party Advisory"],"url":"https://www.npmjs.com/package/uap-core"}],"sourceIdentifier":"security-advisories@github.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-400"}],"source":"security-advisories@github.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-1333"}],"source":"nvd@nist.gov","type":"Primary"}]}
|