FKIE_CVE-2021-40648

Vulnerability from fkie_nvd - Published: 2022-09-09 18:15 - Updated: 2024-11-21 06:24
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
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.
References
cve@mitre.orghttps://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933Exploit, Third Party Advisory
Impacted products
Vendor Product Version
man2html_project man2html 1.6g
To clipboard 

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  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:man2html_project:man2html:1.6g:*:*:*:*:*:*:*",
              "matchCriteriaId": "843C1C93-461D-413C-B54F-2642C98DD0F7",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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"
    }
  ],
  "id": "CVE-2021-40648",
  "lastModified": "2024-11-21T06:24:30.440",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-09-09T18:15:09.247",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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