{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-28T16:01:23.336","vulnerabilities":[{"cve":{"id":"CVE-2021-32842","sourceIdentifier":"security-advisories@github.com","published":"2022-01-26T21:15:13.337","lastModified":"2026-06-17T03:53:44.513","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Starting version 1.0.0 and prior to version 1.3.3, a check was added if the destination file is under a destination directory. However, it is not enforced that `_baseDirectory` ends with slash. If the _baseDirectory is not slash terminated like `/home/user/dir` it is possible to create a file with a name thats begins as the destination directory one level up from the directory, i.e. `/home/user/dir.sh`. Because of the file name and destination directory constraints, the arbitrary file creation impact is limited and depends on the use case. Version 1.3.3 fixed this vulnerability."},{"lang":"es","value":"SharpZipLib (o #ziplib) es una biblioteca Zip, GZip, Tar y BZip2. A partir de la versión 1.0.0 y versiones anteriores a 1.3.3, fue añadida una comprobación de si el archivo de destino está bajo un directorio de destino. Sin embargo, no es exigido que \"_baseDirectory\" termine en barra. Si el directorio base no termina en barra como \"/home/usuario/dir\" es posible crear un archivo con un nombre que comienza como el directorio de destino un nivel más arriba del directorio, por ejemplo \"/home/usuario/dir.sh\". Debido a las restricciones del nombre del archivo y del directorio de destino, el impacto de la creación arbitraria de archivos es limitado y depende del caso de uso. La versión 1.3.3 ha corregido esta vulnerabilidad"}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"icsharpcode","product":"sharpziplib","versions":[{"version":"1.3.3","lessThan":"1.3.3","versionType":"custom","status":"affected"},{"version":"1.0.0","lessThan":"1.0.0*","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":4.0,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.5,"impactScore":1.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-04-22T15:51:39.713749Z","id":"CVE-2021-32842","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-22"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-22"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:sharpziplib_project:sharpziplib:*:*:*:*:*:*:*:*","versionStartIncluding":"1.0.0","versionEndExcluding":"1.3.3","matchCriteriaId":"40FB39D8-CA1E-4EB7-BA3F-7FA5020D772E"}]}]}],"references":[{"url":"https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3","source":"security-advisories@github.com","tags":["Release Notes","Third Party Advisory"]},{"url":"https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/","source":"security-advisories@github.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Third Party Advisory"]},{"url":"https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]}]}}]}