CVE-2018-5996 (GCVE-0-2018-5996)

Vulnerability from cvelistv5 – Published: 2018-01-31 18:00 – Updated: 2025-01-10 18:55
VLAI
Summary
Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Date Public
2018-01-23 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T05:47:56.229Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/"
          },
          {
            "name": "1040831",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1040831"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2018-01-23T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-10T18:55:21.411Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/"
        },
        {
          "name": "1040831",
          "tags": [
            "vdb-entry"
          ],
          "url": "http://www.securitytracker.com/id/1040831"
        },
        {
          "url": "https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html"
        },
        {
          "url": "https://github.com/p7zip-project/p7zip/issues/8"
        },
        {
          "url": "https://github.com/p7zip-project/p7zip/issues/32"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-5996",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/",
              "refsource": "MISC",
              "url": "https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/"
            },
            {
              "name": "1040831",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1040831"
            },
            {
              "name": "https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html",
              "refsource": "MISC",
              "url": "https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-5996",
    "datePublished": "2018-01-31T18:00:00.000Z",
    "dateReserved": "2018-01-22T00:00:00.000Z",
    "dateUpdated": "2025-01-10T18:55:21.411Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2018-5996",
      "date": "2026-09-26",
      "epss": "0.02875",
      "percentile": "0.86288"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:7-zip:7-zip:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "29DB1D61-48E4-4483-8CEE-2A65324FF0AB",
                  "versionEndExcluding": "18.00",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:7-zip:p7zip:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "0B541E55-DEFD-4595-BE62-003F52D39F32",
                  "versionEndExcluding": "18.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
                  "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                  "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                  "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive."
        },
        {
          "lang": "es",
          "value": "Una gesti\u00f3n insuficiente de excepciones en el m\u00e9todo NCompress::NRar3::CDecoder::Code en 7-Zip, en versiones anteriores a la 18.00, y en p7zip puede conducir a m\u00faltiples corrupciones de memoria en el c\u00f3digo PPMd, permitir que atacantes remotos provoquen una denegaci\u00f3n de servicio (fallo de segmentaci\u00f3n) o ejecutar c\u00f3digo arbitrario mediante un archivo RAR manipulado."
        }
      ],
      "id": "CVE-2018-5996",
      "lastModified": "2025-01-10T19:15:28.730",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "MEDIUM",
              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 6.8,
              "confidentialityImpact": "PARTIAL",
              "integrityImpact": "PARTIAL",
              "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 8.6,
            "impactScore": 6.4,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": true
          }
        ],
        "cvssMetricV30": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.0"
            },
            "exploitabilityScore": 1.8,
            "impactScore": 5.9,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2018-01-31T18:29:00.363",
      "references": [
        {
          "source": "cve@mitre.org",
          "url": "http://www.securitytracker.com/id/1040831"
        },
        {
          "source": "cve@mitre.org",
          "url": "https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html"
        },
        {
          "source": "cve@mitre.org",
          "url": "https://github.com/p7zip-project/p7zip/issues/32"
        },
        {
          "source": "cve@mitre.org",
          "url": "https://github.com/p7zip-project/p7zip/issues/8"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Exploit",
            "Technical Description",
            "Third Party Advisory"
          ],
          "url": "https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "http://www.securitytracker.com/id/1040831"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Exploit",
            "Technical Description",
            "Third Party Advisory"
          ],
          "url": "https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/"
        }
      ],
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-119"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:7-zip:7-zip:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "29DB1D61-48E4-4483-8CEE-2A65324FF0AB",
                    "versionEndExcluding": "18.00",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:7-zip:p7zip:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0B541E55-DEFD-4595-BE62-003F52D39F32",
                    "versionEndExcluding": "18.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive."
          },
          {
            "lang": "es",
            "value": "Una gesti\u00f3n insuficiente de excepciones en el m\u00e9todo NCompress::NRar3::CDecoder::Code en 7-Zip, en versiones anteriores a la 18.00, y en p7zip puede conducir a m\u00faltiples corrupciones de memoria en el c\u00f3digo PPMd, permitir que atacantes remotos provoquen una denegaci\u00f3n de servicio (fallo de segmentaci\u00f3n) o ejecutar c\u00f3digo arbitrario mediante un archivo RAR manipulado."
          }
        ],
        "id": "CVE-2018-5996",
        "lastModified": "2025-01-10T19:15:28.730",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 6.8,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2018-01-31T18:29:00.363",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://www.securitytracker.com/id/1040831"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://github.com/p7zip-project/p7zip/issues/32"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://github.com/p7zip-project/p7zip/issues/8"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Exploit",
              "Technical Description",
              "Third Party Advisory"
            ],
            "url": "https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securitytracker.com/id/1040831"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Technical Description",
              "Third Party Advisory"
            ],
            "url": "https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-27T01:34:15+00:00",
      "cve": "CVE-2018-5996",
      "id": "CVE-2018-5996",
      "initial_release_date": "2018-01-23T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "p7zip: memory corruption in RAR decompression",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-5996.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "critical",
      "current_release_date": "2026-08-27T01:21:48Z",
      "cve": "CVE-2018-5996",
      "id": "CVE-2018-5996",
      "initial_release_date": "2023-02-15T04:31:15Z",
      "product_status:recommended": "9",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-5996",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-5996.json",
      "version": "9"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

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.