FKIE_CVE-2018-14679

Vulnerability from fkie_nvd - Published: 2018-07-28 23:29 - Updated: 2026-06-17 01:41
Summary
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash).
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2018/07/26/1Mailing List, Third Party Advisory
cve@mitre.orghttp://www.securitytracker.com/id/1041410Third Party Advisory, VDB Entry
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:3327Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:3505Third Party Advisory
cve@mitre.orghttps://bugs.debian.org/904802Issue Tracking, Mailing List, Patch, Third Party Advisory
cve@mitre.orghttps://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312aPatch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/08/msg00007.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/201903-20Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3728-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3728-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3728-3/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3789-2/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2018/dsa-4260Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2018/07/26/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1041410Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3327Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3505Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.debian.org/904802Issue Tracking, Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312aPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/08/msg00007.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201903-20Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3728-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3728-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3728-3/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3789-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4260Third Party Advisory

{
  "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:cabextract:libmspack:0.0.20060920:alpha:*:*:*:*:*:*",
              "matchCriteriaId": "549E0616-8188-411B-9493-8E861AAEDBF9",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "32C98EEF-4AD0-4A72-85A1-77CF77EE9BE1",
              "vulnerable": true
            },
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              "vulnerable": true
            },
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              "vulnerable": true
            },
            {
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              "matchCriteriaId": "C7A513DB-0953-4749-9EB9-BB88F0138CF5",
              "vulnerable": true
            },
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              "matchCriteriaId": "0E0CEBA0-EE24-4721-98CC-0CD2E2350FDC",
              "versionEndIncluding": "1.5",
              "vulnerable": true
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          "negate": false,
          "operator": "OR"
        }
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              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash)."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en mspack/chmd.c en libmspack en versiones anteriores a la 0.7alpha.  Hay un error por un paso en las comprobaciones de validez de los n\u00fameros de chunk de CHM PMGI/PMGL que podr\u00eda conducir a una denegaci\u00f3n de servicio (referencia de datos no inicializados y cierre inesperado de la aplicaci\u00f3n)."
    }
  ],
  "id": "CVE-2018-14679",
  "lastModified": "2026-06-17T01:41:25.827",
  "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": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-07-28T23:29:00.250",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2018/07/26/1"
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    {
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    {
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      "url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00007.html"
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    {
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    {
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    },
    {
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      ],
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-193"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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