fkie_cve-2018-19787
Vulnerability from fkie_nvd
Published
2018-12-02 10:29
Modified
2024-11-21 03:58
Severity ?
Summary
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
References
▼ | URL | Tags | |
---|---|---|---|
cve@mitre.org | https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109 | Patch, Vendor Advisory | |
cve@mitre.org | https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html | Mailing List, Third Party Advisory | |
cve@mitre.org | https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html | ||
cve@mitre.org | https://usn.ubuntu.com/3841-1/ | Third Party Advisory | |
cve@mitre.org | https://usn.ubuntu.com/3841-2/ | Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109 | Patch, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html | Mailing List, Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html | ||
af854a3a-2127-422b-91ae-364da2661108 | https://usn.ubuntu.com/3841-1/ | Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://usn.ubuntu.com/3841-2/ | Third Party Advisory |
Impacted products
Vendor | Product | Version | |
---|---|---|---|
lxml | lxml | * | |
debian | debian_linux | 8.0 | |
canonical | ubuntu_linux | 12.04 | |
canonical | ubuntu_linux | 14.04 | |
canonical | ubuntu_linux | 16.04 | |
canonical | ubuntu_linux | 18.04 |
{ "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:lxml:lxml:*:*:*:*:*:*:*:*", "matchCriteriaId": "DC9A7F85-D5B8-406B-9B3D-DF7C5EE90407", "versionEndExcluding": "4.2.5", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*", "matchCriteriaId": "8D305F7A-D159-4716-AB26-5E38BB5CD991", "vulnerable": true }, { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true }, { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B", "vulnerable": true }, { "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "cveTags": [], "descriptions": [ { "lang": "en", "value": "An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by \"j a v a s c r i p t:\" in Internet Explorer. This is a similar issue to CVE-2014-3146." }, { "lang": "es", "value": "Se ha descubierto un problema en lxml en versiones anteriores a la 4.2.5. lxml/html/clean.py en el m\u00f3dulo lxml.html.clean no elimina las URL javascript: que utilizan escapado, permitiendo que un atacante remoto realice ataques Cross-Site Scripting (XSS), tal y como queda demostrado con \"j a v a s c r i p t:\" en Internet Explorer. Este es un problema aparte, pero similar a CVE-2014-3146." } ], "id": "CVE-2018-19787", "lastModified": "2024-11-21T03:58:33.303", "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", "userInteractionRequired": true } ], "cvssMetricV30": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.0" }, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2018-12-02T10:29:00.227", "references": [ { "source": "cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109" }, { "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html" }, { "source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/3841-1/" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/3841-2/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/3841-1/" }, { "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/3841-2/" } ], "sourceIdentifier": "cve@mitre.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 |
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.