CVE-2019-18348 (GCVE-0-2019-18348)

Vulnerability from cvelistv5 – Published: 2019-10-23 16:31 – Updated: 2024-08-05 01:54
VLAI
Summary
An issue was discovered in urllib2 in Python 2.x through 2.7.17 and urllib in Python 3.x through 3.8.0. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n (specifically in the host component of a URL) followed by an HTTP header. This is similar to the CVE-2019-9740 query string issue and the CVE-2019-9947 path string issue. (This is not exploitable when glibc has CVE-2016-10739 fixed.). This is fixed in: v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1; v3.6.11, v3.6.11rc1, v3.6.12; v3.7.8, v3.7.8rc1, v3.7.9; v3.8.3, v3.8.3rc1, v3.8.4, v3.8.4rc1, v3.8.5, v3.8.6, v3.8.6rc1.
Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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      "published": "2019-10-23T17:15:12.973",
      "references": "[{\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00041.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Technical Description\"]}, {\"url\": \"https://bugs.python.org/issue30458#msg347282\", \"source\": \"cve@mitre.org\", \"tags\": [\"Issue Tracking\", \"Vendor Advisory\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=1727276\", \"source\": \"cve@mitre.org\", \"tags\": [\"Issue Tracking\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Technical Description\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5NSAX4SC3V64PGZUPH7PRDLSON34Q5A/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UESGYI5XDAHJBATEZN3MHNDUBDH47AS6/\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20191107-0004/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Technical Description\"]}, {\"url\": \"https://usn.ubuntu.com/4333-1/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Technical Description\"]}, {\"url\": \"https://usn.ubuntu.com/4333-2/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Technical Description\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpuoct2020.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Technical Description\"]}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00041.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Technical Description\"]}, {\"url\": \"https://bugs.python.org/issue30458#msg347282\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Vendor Advisory\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=1727276\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Technical Description\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5NSAX4SC3V64PGZUPH7PRDLSON34Q5A/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UESGYI5XDAHJBATEZN3MHNDUBDH47AS6/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20191107-0004/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Technical Description\"]}, {\"url\": \"https://usn.ubuntu.com/4333-1/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Technical Description\"]}, {\"url\": \"https://usn.ubuntu.com/4333-2/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Technical Description\"]}, {\"url\": \"https://www.oracle.com/security-alerts/cpuoct2020.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Technical Description\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-74\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-18348\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2019-10-23T17:15:12.973\",\"lastModified\":\"2024-11-21T04:33:06.653\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was discovered in urllib2 in Python 2.x through 2.7.17 and urllib in Python 3.x through 3.8.0. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \\\\r\\\\n (specifically in the host component of a URL) followed by an HTTP header. This is similar to the CVE-2019-9740 query string issue and the CVE-2019-9947 path string issue. (This is not exploitable when glibc has CVE-2016-10739 fixed.). This is fixed in: v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1; v3.6.11, v3.6.11rc1, v3.6.12; v3.7.8, v3.7.8rc1, v3.7.9; v3.8.3, v3.8.3rc1, v3.8.4, v3.8.4rc1, v3.8.5, v3.8.6, v3.8.6rc1.\"},{\"lang\":\"es\",\"value\":\"Se detect\u00f3 un problema en urllib2 en Python versiones 2.x hasta 2.7.17 y urllib en Python versiones 3.x hasta 3.8.0. La inyecci\u00f3n de CRLF es posible si el atacante controla un par\u00e1metro url, como es demostrado por el primer argumento para urllib.request.urlopen con \\\\ r\\\\n (espec\u00edficamente en el componente host de una URL) seguido de un encabezado HTTP. Esto es similar al problema de la cadena de consulta de CVE-2019-9740 y al problema de la cadena de ruta de CVE-2019-9947. (Esto no es explotable cuando glibc tiene corregido el CVE-2016-10739). Esto est\u00e1 corregido en las versiones: v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1; v3.6.11, v3.6.11rc1, v3.6.12; v3.7.8, v3.7.8rc1, v3.7.9; v3.8.3, v3.8.3rc1, v3.8.4, v3.8.4rc1, v3.8.5, v3.8.6, v3.8.6rc1\"}],\"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\",\"baseScore\":6.1,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"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\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"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-74\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.0\",\"versionEndIncluding\":\"2.7.17\",\"matchCriteriaId\":\"1CBD119B-076B-46D3-9B94-FABC14564E96\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.0\",\"versionEndExcluding\":\"3.5.10\",\"matchCriteriaId\":\"8041A276-2D5F-493F-BD14-17C96BDFFA8D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.6.0\",\"versionEndExcluding\":\"3.6.11\",\"matchCriteriaId\":\"EC082AF5-7781-4AA9-B899-26B0D275FA3D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.7.0\",\"versionEndExcluding\":\"3.7.8\",\"matchCriteriaId\":\"BEB8C981-BD15-4E7B-B11A-0FC9A00BD654\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.8.0\",\"versionEndExcluding\":\"3.8.3\",\"matchCriteriaId\":\"2FD7A4CD-2414-490D-BCA7-BDFAD3B6D164\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00041.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Technical Description\"]},{\"url\":\"https://bugs.python.org/issue30458#msg347282\",\"source\":\"cve@mitre.org\",\"tags\":[\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1727276\",\"source\":\"cve@mitre.org\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Technical Description\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5NSAX4SC3V64PGZUPH7PRDLSON34Q5A/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UESGYI5XDAHJBATEZN3MHNDUBDH47AS6/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20191107-0004/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Technical 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Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Technical Description\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5NSAX4SC3V64PGZUPH7PRDLSON34Q5A/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UESGYI5XDAHJBATEZN3MHNDUBDH47AS6/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20191107-0004/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Technical Description\"]},{\"url\":\"https://usn.ubuntu.com/4333-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Technical Description\"]},{\"url\":\"https://usn.ubuntu.com/4333-2/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Technical Description\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpuoct2020.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Technical Description\"]}]}}"
  }
}


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Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.