fkie_cve-2019-17022
Vulnerability from fkie_nvd
Published
2020-01-08 22:15
Modified
2024-11-21 04:31
Severity ?
Summary
When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer does not escape < and > characters. Because the resulting string is pasted directly into the text node of the element this does not result in a direct injection into the webpage; however, if a webpage subsequently copies the node's innerHTML, assigning it to another innerHTML, this would result in an XSS vulnerability. Two WYSIWYG editors were identified with this behavior, more may exist. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| mozilla | firefox | * | |
| mozilla | firefox_esr | * | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 18.04 | |
| canonical | ubuntu_linux | 19.04 | |
| canonical | ubuntu_linux | 19.10 | |
| debian | debian_linux | 8.0 | |
| debian | debian_linux | 9.0 | |
| debian | debian_linux | 10.0 | |
| redhat | enterprise_linux_desktop | 6.0 | |
| redhat | enterprise_linux_desktop | 7.0 | |
| redhat | enterprise_linux_server | 6.0 | |
| redhat | enterprise_linux_server | 7.0 | |
| redhat | enterprise_linux_server_aus | 7.7 | |
| redhat | enterprise_linux_server_tus | 7.7 | |
| redhat | enterprise_linux_workstation | 6.0 | |
| redhat | enterprise_linux_workstation | 7.0 |
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "When pasting a \u0026lt;style\u0026gt; tag from the clipboard into a rich text editor, the CSS sanitizer does not escape \u0026lt; and \u0026gt; characters. Because the resulting string is pasted directly into the text node of the element this does not result in a direct injection into the webpage; however, if a webpage subsequently copies the node\u0027s innerHTML, assigning it to another innerHTML, this would result in an XSS vulnerability. Two WYSIWYG editors were identified with this behavior, more may exist. This vulnerability affects Firefox ESR \u003c 68.4 and Firefox \u003c 72."
},
{
"lang": "es",
"value": "Al pegar un \u0026lt;style\u0026gt; etiqueta del portapapeles en un editor de texto enriquecido, el saneador CSS no escapa caracteres \u0026lt; y \u0026gt;. Debido a que la cadena resultante es pegada directamente en el nodo de texto del elemento, esto no resulta en una inyecci\u00f3n directa en la p\u00e1gina web; sin embargo, si una p\u00e1gina web posteriormente copia el innerHTML del nodo y lo asigna a otro innerHTML, esto generar\u00eda una vulnerabilidad XSS. Dos editores WYSIWYG fueron identificados con este comportamiento, pueden existir m\u00e1s. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a la versi\u00f3n 68.4 y Firefox versiones anteriores a la versi\u00f3n 72."
}
],
"id": "CVE-2019-17022",
"lastModified": "2024-11-21T04:31:33.833",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
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}
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"version": "3.1"
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"source": "nvd@nist.gov",
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"published": "2020-01-08T22:15:12.730",
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"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html"
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],
"sourceIdentifier": "security@mozilla.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
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