fkie_cve-2016-9296
Vulnerability from fkie_nvd
Published
2016-11-12 02:59
Modified
2025-04-12 10:46
Severity ?
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A null pointer dereference bug affects the 16.02 and many old versions of p7zip. A lack of null pointer check for the variable folders.PackPositions in function CInArchive::ReadAndDecodePackedStreams in CPP/7zip/Archive/7z/7zIn.cpp, as used in the 7z.so library and in 7z applications, will cause a crash and a denial of service when decoding malformed 7z files.
References
cve@mitre.orghttp://www.securityfocus.com/bid/94294Third Party Advisory, VDB Entry
cve@mitre.orghttps://github.com/yangke/7zip-null-pointer-dereferenceIssue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://sourceforge.net/p/p7zip/bugs/185/Issue Tracking, Third Party Advisory
cve@mitre.orghttps://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/94294Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://github.com/yangke/7zip-null-pointer-dereferenceIssue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://sourceforge.net/p/p7zip/bugs/185/Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/Exploit, Third Party Advisory
Impacted products
Vendor Product Version
7-zip p7zip 16.02


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:7-zip:p7zip:16.02:*:*:*:*:*:*:*",
              "matchCriteriaId": "F7E9F309-B22D-4FB7-9EDB-20DF07965E1E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A null pointer dereference bug affects the 16.02 and many old versions of p7zip. A lack of null pointer check for the variable folders.PackPositions in function CInArchive::ReadAndDecodePackedStreams in CPP/7zip/Archive/7z/7zIn.cpp, as used in the 7z.so library and in 7z applications, will cause a crash and a denial of service when decoding malformed 7z files."
    },
    {
      "lang": "es",
      "value": "Un error de referencia al puntero NULL afecta a la versi\u00f3n 16.02 y muchas versiones anteriores de p7zip. Una falta de comprobaci\u00f3n de puntero null para los archivadores variables. PackPositions en la funci\u00f3n CInArchive::ReadAndDecodePackedStreams en CPP/7zip/Archive/7z/7zIn.cpp, como es usada en la biblioteca 7z.so y en aplicaciones 7z, causar\u00e1 una ca\u00edda y denegaci\u00f3n de servicio al decodificar archivos 7z mal formados."
    }
  ],
  "id": "CVE-2016-9296",
  "lastModified": "2025-04-12T10:46:40.837",
  "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": "2016-11-12T02:59:04.650",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/94294"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/yangke/7zip-null-pointer-dereference"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://sourceforge.net/p/p7zip/bugs/185/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/94294"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/yangke/7zip-null-pointer-dereference"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://sourceforge.net/p/p7zip/bugs/185/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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