CVE-2019-9636 (GCVE-0-2019-9636)
Vulnerability from cvelistv5
Published
2019-03-08 21:00
Modified
2026-10-14 06:49
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Python 2.7.x through 2.7.16 and 3.x through 3.7.2 is affected by: Improper Handling of Unicode Encoding (with an incorrect netloc) during NFKC normalization. The impact is: Information disclosure (credentials, cookies, etc. that are cached against a given hostname). The components are: urllib.parse.urlsplit, urllib.parse.urlparse. The attack vector is: A specially crafted URL could be incorrectly parsed to locate cookies or authentication data and send that information to a different host than when parsed correctly. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.
References
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\"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00092.html\", \"name\": \"openSUSE-SU-2019:1273\", \"tags\": [\"vendor-advisory\", \"x_refsource_SUSE\"]}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00097.html\", \"name\": \"openSUSE-SU-2019:1282\", \"tags\": [\"vendor-advisory\", \"x_refsource_SUSE\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2019:0902\", \"name\": \"RHSA-2019:0902\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2019:0981\", \"name\": \"RHSA-2019:0981\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2019:0997\", \"name\": \"RHSA-2019:0997\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHBA-2019:0959\", \"name\": \"RHBA-2019:0959\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": 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[\"vendor-advisory\", \"x_refsource_GENTOO\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpujan2020.html\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html\", \"name\": \"[debian-lts-announce] 20200715 [SECURITY] [DLA 2280-1] python3.5 security update\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html\", \"name\": \"[debian-lts-announce] 20200822 [SECURITY] [DLA 2337-1] python2.7 security update\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpujul2022.html\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/python/cpython/pull/12201\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization.html\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://bugs.python.org/issue36216\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20190517-0001/\", \"tags\": [\"x_refsource_CONFIRM\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Python 2.7.x through 2.7.16 and 3.x through 3.7.2 is affected by: Improper Handling of Unicode Encoding (with an incorrect netloc) during NFKC normalization. The impact is: Information disclosure (credentials, cookies, etc. that are cached against a given hostname). The components are: urllib.parse.urlsplit, urllib.parse.urlparse. The attack vector is: A specially crafted URL could be incorrectly parsed to locate cookies or authentication data and send that information to a different host than when parsed correctly. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2022-07-25T16:13:04.000Z\"}, \"x_legacyV4Record\": {\"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"n/a\"}]}, \"product_name\": \"n/a\"}]}, \"vendor_name\": \"n/a\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"http://www.securityfocus.com/bid/107400\", \"name\": \"107400\", \"refsource\": \"BID\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L25RTMKCF62DLC2XVSNXGX7C7HXISLVM/\", \"name\": \"FEDORA-2019-243442e600\", \"refsource\": \"FEDORA\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/\", \"name\": \"FEDORA-2019-6e1938a3c5\", \"refsource\": \"FEDORA\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D3LXPABKVLFYUHRYJPM3CSS5MS6FXKS7/\", \"name\": \"FEDORA-2019-6baeb15da3\", \"refsource\": \"FEDORA\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/\", \"name\": \"FEDORA-2019-cf725dd20b\", \"refsource\": \"FEDORA\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ICBEGRHIPHWPG2VGYS6R4EVKVUUF4AQW/\", \"name\": 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\"https://access.redhat.com/errata/RHBA-2019:0959\", \"name\": \"RHBA-2019:0959\", \"refsource\": \"REDHAT\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00024.html\", \"name\": \"openSUSE-SU-2019:1371\", \"refsource\": \"SUSE\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JXASHCDD4PQFKTMKQN4YOP5ZH366ABN4/\", \"name\": \"FEDORA-2019-1ffd6b6064\", \"refsource\": \"FEDORA\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JMWSKTNOHSUOT3L25QFJAVCFYZX46FYK/\", \"name\": \"FEDORA-2019-ec26883852\", \"refsource\": \"FEDORA\"}, {\"url\": \"https://access.redhat.com/errata/RHSA-2019:1467\", \"name\": \"RHSA-2019:1467\", \"refsource\": \"REDHAT\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00050.html\", \"name\": \"openSUSE-SU-2019:1580\", \"refsource\": \"SUSE\"}, {\"url\": 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\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/\", \"name\": \"FEDORA-2019-57462fa10d\", \"refsource\": \"FEDORA\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html\", \"name\": \"openSUSE-SU-2020:0086\", \"refsource\": \"SUSE\"}, {\"url\": \"https://security.gentoo.org/glsa/202003-26\", \"name\": \"GLSA-202003-26\", \"refsource\": \"GENTOO\"}, {\"url\": \"https://www.oracle.com/security-alerts/cpujan2020.html\", \"name\": \"https://www.oracle.com/security-alerts/cpujan2020.html\", \"refsource\": \"MISC\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html\", \"name\": \"[debian-lts-announce] 20200715 [SECURITY] [DLA 2280-1] python3.5 security update\", \"refsource\": \"MLIST\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html\", \"name\": \"[debian-lts-announce] 20200822 [SECURITY] [DLA 2337-1] python2.7 security update\", \"refsource\": \"MLIST\"}, {\"url\": \"https://www.oracle.com/security-alerts/cpujul2022.html\", \"name\": \"https://www.oracle.com/security-alerts/cpujul2022.html\", \"refsource\": \"MISC\"}, {\"url\": \"https://github.com/python/cpython/pull/12201\", \"name\": \"https://github.com/python/cpython/pull/12201\", \"refsource\": \"MISC\"}, {\"url\": \"https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization.html\", \"name\": \"https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization.html\", \"refsource\": \"MISC\"}, {\"url\": \"https://bugs.python.org/issue36216\", \"name\": \"https://bugs.python.org/issue36216\", \"refsource\": \"MISC\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20190517-0001/\", \"name\": \"https://security.netapp.com/advisory/ntap-20190517-0001/\", \"refsource\": \"CONFIRM\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"Python 2.7.x through 2.7.16 and 3.x through 3.7.2 is affected by: Improper Handling of Unicode Encoding (with an incorrect netloc) during NFKC normalization. The impact is: Information disclosure (credentials, cookies, etc. that are cached against a given hostname). The components are: urllib.parse.urlsplit, urllib.parse.urlparse. The attack vector is: A specially crafted URL could be incorrectly parsed to locate cookies or authentication data and send that information to a different host than when parsed correctly. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"n/a\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2019-9636\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"cve@mitre.org\"}}}}",
"cveMetadata": "{\"cveId\": \"CVE-2019-9636\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-14T06:49:39.823Z\", \"dateReserved\": \"2019-03-08T00:00:00.000Z\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2019-03-08T21:00:00.000Z\", \"assignerShortName\": \"mitre\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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