CVE-2018-16890

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The function handling incoming NTLM type-2 messages (`lib/vauth/ntlm.c:ntlm_decode_type2_target`) does not validate incoming data correctly and is subject to an integer overflow vulnerability. Using that overflow, a malicious or broken NTLM server could trick libcurl to accept a bad length + offset combination that would lead to a buffer read out-of-bounds."}, {"lang": "es", "value": "Libcurl, desde la versi\u00f3n 7.36.0 hasta antes de la 7.64.0, es vulnerable a una lectura de memoria din\u00e1mica (heap) fuera de l\u00edmites. La funci\u00f3n que gestiona los mensajes entrantes NTLM de tipo 2 (\"lib/vauth/ntlm.c:ntlm_decode_type2_target\") no valida los datos entrantes correctamente y est\u00e1 sujeta a una vulnerabilidad de desbordamiento de enteros. Mediante ese desbordamiento, un servidor NTLM malicioso o roto podr\u00eda enga\u00f1ar a libcurl para que acepte una mala combinaci\u00f3n de longitud + desplazamiento que conducir\u00eda a una lectura del b\u00fafer fuera de l\u00edmites."}], "lastModified": "2023-11-07T02:53:57.803", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0572AA2C-5E33-4612-8BDE-0859690EA089", "versionEndExcluding": "7.64.0", "versionStartIncluding": "7.36.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:clustered_data_ontap:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B0E976A9-6253-4DF5-9370-471D0469B395"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:siemens:sinema_remote_connect_client:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "626EEBF4-73B9-44B3-BF55-50EC9139EF66", "versionEndIncluding": "2.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:communications_operations_monitor:3.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D52F557F-D0A0-43D3-85F1-F10B6EBFAEDF"}, {"criteria": "cpe:2.3:a:oracle:communications_operations_monitor:4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E3517A27-E6EE-497C-9996-F78171BBE90F"}, {"criteria": "cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DFC79B17-E9D2-44D5-93ED-2F959E7A3D43"}, {"criteria": "cpe:2.3:a:oracle:secure_global_desktop:5.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B5265C91-FF5C-4451-A7C2-D388A65ACFA2"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6FCB6C17-33AC-4E5E-8633-7490058CA51F", "versionEndIncluding": "13.1.3", "versionStartIncluding": "13.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FCBAF5C1-3761-47BB-AD8E-A55A64D33AF3", "versionEndIncluding": "14.1.2", "versionStartIncluding": "14.0.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D6A53E3C-3E09-4100-8D5A-10AD4973C230", "versionEndIncluding": "15.0.1", "versionStartIncluding": "15.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}