gsd-2021-42386
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the nvalloc function
Aliases
Aliases
CVE-2021-42386


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-42386",
    "description": "A use-after-free in Busybox\u0027s awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the nvalloc function",
    "id": "GSD-2021-42386",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-42386.html",
      "https://ubuntu.com/security/CVE-2021-42386",
      "https://advisories.mageia.org/CVE-2021-42386.html",
      "https://security.archlinux.org/CVE-2021-42386",
      "https://alas.aws.amazon.com/cve/html/CVE-2021-42386.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-42386"
      ],
      "details": "A use-after-free in Busybox\u0027s awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the nvalloc function",
      "id": "GSD-2021-42386",
      "modified": "2023-12-13T01:23:06.511050Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@jfrog.com",
        "ID": "CVE-2021-42386",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "busybox",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "1.34.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "busybox"
            }
          ]
        }
      },
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      "data_version": "4.0",
      "description": {
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          }
        ]
      },
      "impact": {
        "cvssv3": {
          "SCORE": "6.6"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-416"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/",
            "refsource": "MISC",
            "url": "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/"
          },
          {
            "name": "FEDORA-2021-5a95823596",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/"
          },
          {
            "name": "FEDORA-2021-c52c0fe490",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20211223-0002/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20211223-0002/"
          },
          {
            "name": "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog",
            "refsource": "MISC",
            "url": "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "1.33.1",
                "versionStartIncluding": "1.16.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@jfrog.com",
          "ID": "CVE-2021-42386"
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        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-416"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "N/A",
              "refsource": "N/A",
              "tags": [
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              ],
              "url": "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/"
            },
            {
              "name": "FEDORA-2021-c52c0fe490",
              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/"
            },
            {
              "name": "FEDORA-2021-5a95823596",
              "refsource": "FEDORA",
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                "Third Party Advisory"
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              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20211223-0002/",
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              "url": "https://security.netapp.com/advisory/ntap-20211223-0002/"
            },
            {
              "name": "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog",
              "refsource": "MISC",
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              "url": "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.2,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-04-25T22:15Z",
      "publishedDate": "2021-11-15T21:15Z"
    }
  }
}


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