ubuntu-cve-2019-17020
Vulnerability from osv_ubuntu
Published
2020-01-08 22:15
Modified
2026-04-22 07:39
Summary
Details
If an XML file is served with a Content Security Policy and the XML file includes an XSL stylesheet, the Content Security Policy will not be applied to the contents of the XSL stylesheet. If the XSL sheet e.g. includes JavaScript, it would bypass any of the restrictions of the Content Security Policy applied to the XML document. This vulnerability affects Firefox < 72.
Severity
6.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "72.0.1+build1-0ubuntu0.16.04.1"
},
{
"binary_name": "firefox-geckodriver",
"binary_version": "72.0.1+build1-0ubuntu0.16.04.1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "72.0.1+build1-0ubuntu0.16.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "firefox",
"purl": "pkg:deb/ubuntu/firefox@72.0.1+build1-0ubuntu0.16.04.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "72.0.1+build1-0ubuntu0.16.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"41.0.2+build2-0ubuntu1",
"42.0+build2-0ubuntu1",
"44.0+build3-0ubuntu2",
"44.0.1+build1-0ubuntu1",
"44.0.2+build1-0ubuntu1",
"45.0+build2-0ubuntu1",
"45.0.1+build1-0ubuntu1",
"45.0.2+build1-0ubuntu1",
"46.0+build5-0ubuntu0.16.04.2",
"46.0.1+build1-0ubuntu0.16.04.2",
"47.0+build3-0ubuntu0.16.04.1",
"48.0+build2-0ubuntu0.16.04.1",
"49.0+build4-0ubuntu0.16.04.1",
"49.0.2+build2-0ubuntu0.16.04.2",
"50.0+build2-0ubuntu0.16.04.2",
"50.0.2+build1-0ubuntu0.16.04.1",
"50.1.0+build2-0ubuntu0.16.04.1",
"51.0.1+build2-0ubuntu0.16.04.1",
"51.0.1+build2-0ubuntu0.16.04.2",
"52.0+build2-0ubuntu0.16.04.1",
"52.0.1+build2-0ubuntu0.16.04.1",
"52.0.2+build1-0ubuntu0.16.04.1",
"53.0+build6-0ubuntu0.16.04.1",
"53.0.2+build1-0ubuntu0.16.04.2",
"53.0.3+build1-0ubuntu0.16.04.2",
"54.0+build3-0ubuntu0.16.04.1",
"55.0.1+build2-0ubuntu0.16.04.2",
"55.0.2+build1-0ubuntu0.16.04.1",
"56.0+build6-0ubuntu0.16.04.1",
"56.0+build6-0ubuntu0.16.04.2",
"57.0+build4-0ubuntu0.16.04.5",
"57.0+build4-0ubuntu0.16.04.6",
"57.0.1+build2-0ubuntu0.16.04.1",
"57.0.3+build1-0ubuntu0.16.04.1",
"57.0.4+build1-0ubuntu0.16.04.1",
"58.0+build6-0ubuntu0.16.04.1",
"58.0.1+build1-0ubuntu0.16.04.1",
"58.0.2+build1-0ubuntu0.16.04.1",
"59.0+build5-0ubuntu0.16.04.1",
"59.0.1+build1-0ubuntu0.16.04.1",
"59.0.2+build1-0ubuntu0.16.04.1",
"59.0.2+build1-0ubuntu0.16.04.3",
"60.0+build2-0ubuntu0.16.04.1",
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"60.0.2+build1-0ubuntu0.16.04.1",
"61.0+build3-0ubuntu0.16.04.2",
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"62.0+build2-0ubuntu0.16.04.3",
"62.0+build2-0ubuntu0.16.04.4",
"62.0+build2-0ubuntu0.16.04.5",
"62.0.3+build1-0ubuntu0.16.04.2",
"63.0+build2-0ubuntu0.16.04.2",
"63.0.3+build1-0ubuntu0.16.04.1",
"64.0+build3-0ubuntu0.16.04.1",
"65.0+build2-0ubuntu0.16.04.1",
"65.0.1+build2-0ubuntu0.16.04.1",
"66.0+build3-0ubuntu0.16.04.2",
"66.0.1+build1-0ubuntu0.16.04.1",
"66.0.2+build1-0ubuntu0.16.04.1",
"66.0.3+build1-0ubuntu0.16.04.1",
"66.0.4+build3-0ubuntu0.16.04.1",
"66.0.5+build1-0ubuntu0.16.04.1",
"67.0+build2-0ubuntu0.16.04.1",
"67.0.1+build1-0ubuntu0.16.04.1",
"67.0.2+build2-0ubuntu0.16.04.1",
"67.0.3+build1-0ubuntu0.16.04.1",
"67.0.4+build1-0ubuntu0.16.04.1",
"68.0+build3-0ubuntu0.16.04.1",
"68.0.1+build1-0ubuntu0.16.04.1",
"68.0.2+build1-0ubuntu0.16.04.1",
"69.0+build2-0ubuntu0.16.04.4",
"69.0.1+build1-0ubuntu0.16.04.1",
"69.0.2+build1-0ubuntu0.16.04.1",
"70.0+build2-0ubuntu0.16.04.1",
"70.0.1+build1-0ubuntu0.16.04.1",
"71.0+build5-0ubuntu0.16.04.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "72.0.1+build1-0ubuntu0.18.04.1"
},
{
"binary_name": "firefox-geckodriver",
"binary_version": "72.0.1+build1-0ubuntu0.18.04.1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "72.0.1+build1-0ubuntu0.18.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "firefox",
"purl": "pkg:deb/ubuntu/firefox@72.0.1+build1-0ubuntu0.18.04.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "72.0.1+build1-0ubuntu0.18.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"56.0+build6-0ubuntu1",
"57.0.1+build2-0ubuntu1",
"59.0.1+build1-0ubuntu1",
"59.0.2+build1-0ubuntu1",
"60.0+build2-0ubuntu1",
"60.0.1+build2-0ubuntu0.18.04.1",
"60.0.2+build1-0ubuntu0.18.04.1",
"61.0+build3-0ubuntu0.18.04.1",
"61.0.1+build1-0ubuntu0.18.04.1",
"62.0+build2-0ubuntu0.18.04.3",
"62.0+build2-0ubuntu0.18.04.4",
"62.0+build2-0ubuntu0.18.04.5",
"62.0.3+build1-0ubuntu0.18.04.1",
"63.0+build2-0ubuntu0.18.04.2",
"63.0.3+build1-0ubuntu0.18.04.1",
"64.0+build3-0ubuntu0.18.04.1",
"65.0+build2-0ubuntu0.18.04.1",
"65.0.1+build2-0ubuntu0.18.04.1",
"66.0+build3-0ubuntu0.18.04.1",
"66.0.1+build1-0ubuntu0.18.04.1",
"66.0.2+build1-0ubuntu0.18.04.1",
"66.0.3+build1-0ubuntu0.18.04.1",
"66.0.4+build3-0ubuntu0.18.04.1",
"66.0.5+build1-0ubuntu0.18.04.1",
"67.0+build2-0ubuntu0.18.04.1",
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"68.0+build3-0ubuntu0.18.04.1",
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"69.0+build2-0ubuntu0.18.04.1",
"69.0.1+build1-0ubuntu0.18.04.1",
"69.0.2+build1-0ubuntu0.18.04.1",
"70.0+build2-0ubuntu0.18.04.1",
"70.0.1+build1-0ubuntu0.18.04.1",
"71.0+build5-0ubuntu0.18.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmozjs-52-0",
"binary_version": "52.9.1-0ubuntu0.18.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "mozjs52",
"purl": "pkg:deb/ubuntu/mozjs52@52.9.1-0ubuntu0.18.04.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"52.3.1-0ubuntu3",
"52.3.1-7fakesync1",
"52.8.1-0ubuntu0.18.04.1",
"52.9.1-0ubuntu0.18.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmozjs-38-0",
"binary_version": "38.8.0~repack1-0ubuntu4"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "mozjs38",
"purl": "pkg:deb/ubuntu/mozjs38@38.8.0~repack1-0ubuntu4?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"38.8.0~repack1-0ubuntu1",
"38.8.0~repack1-0ubuntu3",
"38.8.0~repack1-0ubuntu4"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "72.0.1+build1-0ubuntu1"
},
{
"binary_name": "firefox-geckodriver",
"binary_version": "72.0.1+build1-0ubuntu1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "72.0.1+build1-0ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "firefox",
"purl": "pkg:deb/ubuntu/firefox@72.0.1+build1-0ubuntu1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "72.0.1+build1-0ubuntu1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"69.0.3+build1-0ubuntu1",
"70.0+build2-0ubuntu1",
"70.0+build2-0ubuntu2",
"70.0.1+build1-0ubuntu2",
"71.0+build2-0ubuntu2",
"71.0+build5-0ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmozjs-52-0",
"binary_version": "52.9.1-1ubuntu3"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "mozjs52",
"purl": "pkg:deb/ubuntu/mozjs52@52.9.1-1ubuntu3?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"52.9.1-1build1",
"52.9.1-1ubuntu3"
]
}
],
"aliases": [],
"details": "If an XML file is served with a Content Security Policy and the XML file includes an XSL stylesheet, the Content Security Policy will not be applied to the contents of the XSL stylesheet. If the XSL sheet e.g. includes JavaScript, it would bypass any of the restrictions of the Content Security Policy applied to the XML document. This vulnerability affects Firefox \u003c 72.",
"id": "UBUNTU-CVE-2019-17020",
"modified": "2026-04-22T07:39:07Z",
"published": "2020-01-08T22:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-17020"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-01/#CVE-2019-17020"
},
{
"type": "REPORT",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1597645"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/security/advisories/mfsa2020-01/"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4234-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-17020"
}
],
"related": [
"USN-4234-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2019-17020"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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