FKIE_CVE-2017-8294

Vulnerability from fkie_nvd - Published: 2017-04-27 14:59 - Updated: 2026-06-17 01:26
Severity
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
libyara/re.c in the regex component in YARA 3.5.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted rule that is mishandled in the yr_re_exec function.
References
cve@mitre.orghttp://www.securityfocus.com/bid/98072Third Party Advisory, VDB Entry
cve@mitre.orghttps://github.com/VirusTotal/yara/commit/83d799804648c2a0895d40a19835d9b757c6fa4ePatch
cve@mitre.orghttps://github.com/VirusTotal/yara/issues/646Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/98072Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://github.com/VirusTotal/yara/commit/83d799804648c2a0895d40a19835d9b757c6fa4ePatch
af854a3a-2127-422b-91ae-364da2661108https://github.com/VirusTotal/yara/issues/646Issue Tracking, Patch
Impacted products
Vendor Product Version
virustotal yara 3.5.0
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:virustotal:yara:3.5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "0254F781-4B89-4557-8F17-1F228A3A8216",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "libyara/re.c in the regex component in YARA 3.5.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted rule that is mishandled in the yr_re_exec function."
    },
    {
      "lang": "es",
      "value": "libyara/re.c en el componente regex de YARA 3.5.0 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (lectura fuera de l\u00edmites y ca\u00edda de la aplicaci\u00f3n) a trav\u00e9s de una regla manipulada que es mal gestionada en yr_re_exec function."
    }
  ],
  "id": "CVE-2017-8294",
  "lastModified": "2026-06-17T01:26:08.530",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-04-27T14:59:00.310",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/98072"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/VirusTotal/yara/commit/83d799804648c2a0895d40a19835d9b757c6fa4e"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/VirusTotal/yara/issues/646"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/98072"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/VirusTotal/yara/commit/83d799804648c2a0895d40a19835d9b757c6fa4e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/VirusTotal/yara/issues/646"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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