FKIE_CVE-2020-18831

Vulnerability from fkie_nvd - Published: 2023-08-22 19:15 - Updated: 2026-06-17 02:59
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1 allows remote attackers to cause a denial of service and other unspecified impacts via use of crafted file.
References
cve@mitre.orghttps://github.com/Exiv2/exiv2/issues/828Exploit, Issue Tracking, Patch, Vendor Advisory
cve@mitre.orghttps://www.exiv2.org/download.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108https://github.com/Exiv2/exiv2/issues/828Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.exiv2.org/download.htmlBroken Link
Impacted products
Vendor Product Version
exiv2 exiv2 0.27.1
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:exiv2:exiv2:0.27.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "9E196C7D-A075-43E0-A620-C2D7C0EB559F",
              "vulnerable": true
            }
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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1 allows remote attackers to cause a denial of service and other unspecified impacts via use of crafted file."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de desbordamiento del b\u00fafer en la funci\u00f3n tEXtToDataBuf en pngimage.cpp en Exiv2 0.27.1 que permite a atacantes remotos causar una denegaci\u00f3n de servicio y otros impactos no especificados mediante el uso de un archivo manipulado. "
    }
  ],
  "id": "CVE-2020-18831",
  "lastModified": "2026-06-17T02:59:29.310",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-18831",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-10-04T16:32:06.177692Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-08-22T19:15:56.220",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://github.com/Exiv2/exiv2/issues/828"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "https://www.exiv2.org/download.html"
    },
    {
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      "tags": [
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
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      "url": "https://www.exiv2.org/download.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.