FKIE_CVE-2018-20455

Vulnerability from fkie_nvd - Published: 2018-12-25 19:29 - Updated: 2026-06-17 01:52
Severity
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asm_x86_nz.c may allow attackers to cause a denial of service (application crash via a stack-based buffer overflow) by crafting an input file, a related issue to CVE-2018-20456.
References
cve@mitre.orghttps://github.com/radare/radare2/commit/9b46d38dd3c4de6048a488b655c7319f845af185Patch, Third Party Advisory
cve@mitre.orghttps://github.com/radare/radare2/issues/12373Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/radare/radare2/commit/9b46d38dd3c4de6048a488b655c7319f845af185Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/radare/radare2/issues/12373Exploit, Third Party Advisory
Impacted products
Vendor Product Version
radare radare2 *
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:radare:radare2:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "92DD0821-889B-4ED8-A24C-1F244A4522A1",
              "versionEndExcluding": "3.1.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asm_x86_nz.c may allow attackers to cause a denial of service (application crash via a stack-based buffer overflow) by crafting an input file, a related issue to CVE-2018-20456."
    },
    {
      "lang": "es",
      "value": "En radare2, en versiones anteriores a la 3.1.1, la funci\u00f3n parseOperand en libr/asm/p/asm_x86_nz.c podr\u00eda permitir que los atacantes provoquen una denegaci\u00f3n de servicio (cierre inesperado de la aplicaci\u00f3n mediante un desbordamiento de b\u00fafer basado en pila) manipulando un archivo de entradas. Esto est\u00e1 relacionado con CVE-2018-20456."
    }
  ],
  "id": "CVE-2018-20455",
  "lastModified": "2026-06-17T01:52:52.617",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-12-25T19:29:00.227",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/radare/radare2/commit/9b46d38dd3c4de6048a488b655c7319f845af185"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/radare/radare2/issues/12373"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/radare/radare2/commit/9b46d38dd3c4de6048a488b655c7319f845af185"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/radare/radare2/issues/12373"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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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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