CVE-2018-14642

An information leak vulnerability was found in Undertow. If all headers are not written out in the first write() call then the code that handles flushing the buffer will always write out the full contents of the writevBuffer buffer, which may contain data from previous requests.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://access.redhat.com/errata/RHSA-2019:0362	Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:0364	Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:0365	Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:0380	Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:1106	Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:1107	Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:1108	Vendor Advisory
https://access.redhat.com/errata/RHSA-2019:1140	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14642	Issue Tracking Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:redhat:undertow:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

OR	cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.1:::::::*
	cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2:::::::*
	cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.3:::::::*

OR	cpe:2.3:o:redhat:enterprise_linux:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*

History

No history.

Information

Published : 2018-09-18 13:29

Updated : 2023-12-10 12:44

NVD link : CVE-2018-14642

Mitre link : CVE-2018-14642

CVE.ORG link : CVE-2018-14642

JSON object : View

Products Affected

redhat

jboss_enterprise_application_platform
enterprise_linux
undertow

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

{"id": "CVE-2018-14642", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.6}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2018-09-18T13:29:00.970", "references": [{"url": "https://access.redhat.com/errata/RHSA-2019:0362", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2019:0364", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2019:0365", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2019:0380", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2019:1106", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2019:1107", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2019:1108", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2019:1140", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14642", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-200"}]}, {"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "An information leak vulnerability was found in Undertow. If all headers are not written out in the first write() call then the code that handles flushing the buffer will always write out the full contents of the writevBuffer buffer, which may contain data from previous requests."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad de fuga de informaci\u00f3n en Undertow. Si no est\u00e1n escritas todas las cabeceras en la primera llamada write(), el c\u00f3digo que maneja las escrituras al b\u00fafer siempre escribir\u00e1 el contenido completo del b\u00fafer writevBuffer, que podr\u00eda contener datos de peticiones anteriores."}], "lastModified": "2020-12-08T15:50:19.710", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:undertow:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8190B427-8350-43AE-8F54-6A40B701C95E"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7117F117-D439-45EB-BB95-397E5E52C9BB"}, {"criteria": "cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0C3AA5CE-9ACB-4E96-A4C1-50A662D641FB"}, {"criteria": "cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B4911A72-5FAE-47C5-A141-2E3CA8E1CCAB"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "secalert@redhat.com"}