CVE-2020-15676
Vulnerability from cvelistv5
Published
2020-10-01 18:31
Modified
2024-08-04 13:22
Severity ?
Summary
Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
Impacted products
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:22:30.645Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2020-43/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2020-44/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2020-42/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1646140"
          },
          {
            "name": "DSA-4770",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4770"
          },
          {
            "name": "[debian-lts-announce] 20201016 [SECURITY] [DLA 2408-1] thunderbird security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html"
          },
          {
            "name": "GLSA-202010-02",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202010-02"
          },
          {
            "name": "openSUSE-SU-2020:1780",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html"
          },
          {
            "name": "openSUSE-SU-2020:1785",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "81",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "78.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Firefox ESR",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "78.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element. This vulnerability affects Firefox \u003c 81, Thunderbird \u003c 78.3, and Firefox ESR \u003c 78.3."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "XSS when pasting attacker-controlled data into a contenteditable element",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-10-31T15:06:09",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.mozilla.org/security/advisories/mfsa2020-43/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.mozilla.org/security/advisories/mfsa2020-44/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.mozilla.org/security/advisories/mfsa2020-42/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1646140"
        },
        {
          "name": "DSA-4770",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4770"
        },
        {
          "name": "[debian-lts-announce] 20201016 [SECURITY] [DLA 2408-1] thunderbird security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html"
        },
        {
          "name": "GLSA-202010-02",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202010-02"
        },
        {
          "name": "openSUSE-SU-2020:1780",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html"
        },
        {
          "name": "openSUSE-SU-2020:1785",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@mozilla.org",
          "ID": "CVE-2020-15676",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Firefox",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "81"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Thunderbird",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "78.3"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Firefox ESR",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "78.3"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Mozilla"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element. This vulnerability affects Firefox \u003c 81, Thunderbird \u003c 78.3, and Firefox ESR \u003c 78.3."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "XSS when pasting attacker-controlled data into a contenteditable element"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2020-43/",
              "refsource": "MISC",
              "url": "https://www.mozilla.org/security/advisories/mfsa2020-43/"
            },
            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2020-44/",
              "refsource": "MISC",
              "url": "https://www.mozilla.org/security/advisories/mfsa2020-44/"
            },
            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2020-42/",
              "refsource": "MISC",
              "url": "https://www.mozilla.org/security/advisories/mfsa2020-42/"
            },
            {
              "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1646140",
              "refsource": "MISC",
              "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1646140"
            },
            {
              "name": "DSA-4770",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4770"
            },
            {
              "name": "[debian-lts-announce] 20201016 [SECURITY] [DLA 2408-1] thunderbird security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html"
            },
            {
              "name": "GLSA-202010-02",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202010-02"
            },
            {
              "name": "openSUSE-SU-2020:1780",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html"
            },
            {
              "name": "openSUSE-SU-2020:1785",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2020-15676",
    "datePublished": "2020-10-01T18:31:41",
    "dateReserved": "2020-07-10T00:00:00",
    "dateUpdated": "2024-08-04T13:22:30.645Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-15676\",\"sourceIdentifier\":\"security@mozilla.org\",\"published\":\"2020-10-01T19:15:13.783\",\"lastModified\":\"2022-11-16T15:12:52.887\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element. This vulnerability affects Firefox \u003c 81, Thunderbird \u003c 78.3, and Firefox ESR \u003c 78.3.\"},{\"lang\":\"es\",\"value\":\"Firefox a veces ejecutaba el manejador de carga para elementos SVG que el saneador DOM decidi\u00f3 eliminar, resultando en que el JavaScript sea ejecutado despu\u00e9s de pegar los datos controlados por el atacante en un elemento satisfactorio.\u0026#xa0;Esta vulnerabilidad afecta a Firefox versiones anteriores a 81, Thunderbird versiones anteriores a 78.3, y Firefox ESR versiones anteriores a 78.3\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":2.7}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:P/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.3},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"81.0\",\"matchCriteriaId\":\"27432731-D740-4B75-B951-5DF6A041F34A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"78.3\",\"matchCriteriaId\":\"B67E0CD3-E075-4CF0-A89D-F846E9F40AA4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"78.3\",\"matchCriteriaId\":\"80E7D812-EF46-4B1C-B93D-07975B8010C9\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B620311B-34A3-48A6-82DF-6F078D7A4493\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B009C22E-30A4-4288-BCF6-C3E81DEAF45A\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html\",\"source\":\"security@mozilla.org\",\"tags\":[\"Broken Link\",\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html\",\"source\":\"security@mozilla.org\",\"tags\":[\"Broken Link\",\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.mozilla.org/show_bug.cgi?id=1646140\",\"source\":\"security@mozilla.org\",\"tags\":[\"Issue Tracking\",\"Permissions Required\",\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html\",\"source\":\"security@mozilla.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202010-02\",\"source\":\"security@mozilla.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2020/dsa-4770\",\"source\":\"security@mozilla.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2020-42/\",\"source\":\"security@mozilla.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2020-43/\",\"source\":\"security@mozilla.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2020-44/\",\"source\":\"security@mozilla.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...

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.