gsd-2021-4217
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.
Aliases
Aliases
CVE-2021-4217


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-4217",
    "description": "A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.",
    "id": "GSD-2021-4217",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-4217.html",
      "https://advisories.mageia.org/CVE-2021-4217.html",
      "https://ubuntu.com/security/CVE-2021-4217"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-4217"
      ],
      "details": "A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.",
      "id": "GSD-2021-4217",
      "modified": "2023-12-13T01:23:11.502921Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2021-4217",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "unzip",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "unzip 6.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-476",
                "lang": "eng",
                "value": "CWE-476 - NULL Pointer Dereference"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077",
            "refsource": "MISC",
            "url": "https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2044583",
            "refsource": "MISC",
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            "refsource": "MISC",
            "url": "https://access.redhat.com/security/cve/CVE-2021-4217"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:unzip_project:unzip:6.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
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                "cpe_name": [],
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          "ID": "CVE-2021-4217"
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        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-476"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Issue Tracking",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077"
            },
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            },
            {
              "name": "https://access.redhat.com/security/cve/CVE-2021-4217",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://access.redhat.com/security/cve/CVE-2021-4217"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2022-11-29T15:45Z",
      "publishedDate": "2022-08-24T16:15Z"
    }
  }
}


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