CVE-2021-40648

{"id": "CVE-2021-40648", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2022-09-09T18:15:09.247", "references": [{"url": "https://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "In man2html 1.6g, a filename can be created to overwrite the previous size parameter of the next chunk and the fd, bk, fd_nextsize, bk_nextsize of the current chunk. The next chunk is then freed later on, causing a freeing of an arbitrary amount of memory."}, {"lang": "es", "value": "En man2html versi\u00f3n 1.6g, puede crearse un nombre de archivo para sobrescribir el par\u00e1metro de tama\u00f1o anterior del siguiente chunk y el fd, bk, fd_nextsize, bk_nextsize del chunk actual. El siguiente chunk es liberado posteriormente, causando una liberaci\u00f3n de una cantidad arbitraria de memoria"}], "lastModified": "2022-09-14T19:52:41.313", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:man2html_project:man2html:1.6g:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "843C1C93-461D-413C-B54F-2642C98DD0F7"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}