gsd-2021-23961
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 85.
Aliases
Aliases
CVE-2021-23961


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-23961",
    "description": "Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network\u0027s hosts as well as services running on the user\u0027s local machine. This vulnerability affects Firefox \u003c 85.",
    "id": "GSD-2021-23961",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-23961.html",
      "https://www.debian.org/security/2021/dsa-4897",
      "https://www.debian.org/security/2021/dsa-4895",
      "https://access.redhat.com/errata/RHSA-2021:1363",
      "https://access.redhat.com/errata/RHSA-2021:1362",
      "https://access.redhat.com/errata/RHSA-2021:1361",
      "https://access.redhat.com/errata/RHSA-2021:1360",
      "https://access.redhat.com/errata/RHSA-2021:1353",
      "https://access.redhat.com/errata/RHSA-2021:1352",
      "https://access.redhat.com/errata/RHSA-2021:1351",
      "https://access.redhat.com/errata/RHSA-2021:1350",
      "https://ubuntu.com/security/CVE-2021-23961",
      "https://advisories.mageia.org/CVE-2021-23961.html",
      "https://security.archlinux.org/CVE-2021-23961",
      "https://linux.oracle.com/cve/CVE-2021-23961.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-23961"
      ],
      "details": "Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network\u0027s hosts as well as services running on the user\u0027s local machine. This vulnerability affects Firefox \u003c 85.",
      "id": "GSD-2021-23961",
      "modified": "2023-12-13T01:23:30.285421Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@mozilla.org",
        "ID": "CVE-2021-23961",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Firefox",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003c 85"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Mozilla"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network\u0027s hosts as well as services running on the user\u0027s local machine. This vulnerability affects Firefox \u003c 85."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "More internal network hosts could have been probed by a malicious webpage"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.mozilla.org/security/advisories/mfsa2021-03/",
            "refsource": "MISC",
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-03/"
          },
          {
            "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1677940",
            "refsource": "MISC",
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1677940"
          },
          {
            "name": "DSA-4895",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2021/dsa-4895"
          },
          {
            "name": "[debian-lts-announce] 20210422 [SECURITY] [DLA 2632-1] thunderbird security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00019.html"
          },
          {
            "name": "DSA-4897",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2021/dsa-4897"
          },
          {
            "name": "[debian-lts-announce] 20210423 [SECURITY] [DLA 2633-1] firefox-esr security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00020.html"
          },
          {
            "name": "GLSA-202104-10",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202104-10"
          },
          {
            "name": "GLSA-202104-09",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202104-09"
          }
        ]
      }
    },
    "mozilla.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@mozilla.org",
        "ID": "CVE-2021-23961"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Firefox ESR",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "78.10"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Thunderbird",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "78.10"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Firefox",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "85"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Mozilla"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network\u0027s hosts as well as services running on the user\u0027s local machine. This vulnerability affects Firefox ESR \u003c 78.10, Thunderbird \u003c 78.10, and Firefox \u003c 85."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "More internal network hosts could have been probed by a malicious webpage"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-15/"
          },
          {
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-14/"
          },
          {
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-03/"
          },
          {
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1677940"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "85.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@mozilla.org",
          "ID": "CVE-2021-23961"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network\u0027s hosts as well as services running on the user\u0027s local machine. This vulnerability affects Firefox \u003c 85."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-noinfo"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2021-03/",
              "refsource": "MISC",
              "tags": [
                "Release Notes",
                "Vendor Advisory"
              ],
              "url": "https://www.mozilla.org/security/advisories/mfsa2021-03/"
            },
            {
              "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1677940",
              "refsource": "MISC",
              "tags": [
                "Issue Tracking",
                "Permissions Required",
                "Vendor Advisory"
              ],
              "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1677940"
            },
            {
              "name": "DSA-4895",
              "refsource": "DEBIAN",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://www.debian.org/security/2021/dsa-4895"
            },
            {
              "name": "[debian-lts-announce] 20210422 [SECURITY] [DLA 2632-1] thunderbird security update",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00019.html"
            },
            {
              "name": "DSA-4897",
              "refsource": "DEBIAN",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://www.debian.org/security/2021/dsa-4897"
            },
            {
              "name": "[debian-lts-announce] 20210423 [SECURITY] [DLA 2633-1] firefox-esr security update",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00020.html"
            },
            {
              "name": "GLSA-202104-09",
              "refsource": "GENTOO",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.gentoo.org/glsa/202104-09"
            },
            {
              "name": "GLSA-202104-10",
              "refsource": "GENTOO",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.gentoo.org/glsa/202104-10"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 4.0
        }
      },
      "lastModifiedDate": "2022-05-27T18:18Z",
      "publishedDate": "2021-02-26T03:15Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.