CVE-2018-12103

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-06-23T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "An issue was discovered on D-Link DIR-890L with firmware 1.21B02beta01 and earlier, DIR-885L/R with firmware 1.21B03beta01 and earlier, and DIR-895L/R with firmware 1.21B04beta04 and earlier devices (all hardware revisions). Due to the predictability of the /docs/captcha_(number).jpeg URI, being local to the network, but unauthenticated to the administrator's panel, an attacker can disclose the CAPTCHAs used by the access point and can elect to load the CAPTCHA of their choosing, leading to unauthorized login attempts to the access point."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-03-12T19:57:01.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://securityadvisories.dlink.com/announcement/publication.aspx?name=SAP10099"}, {"name": "20180702 CVE-2018-12103", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2018/Jul/13"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-12103", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An issue was discovered on D-Link DIR-890L with firmware 1.21B02beta01 and earlier, DIR-885L/R with firmware 1.21B03beta01 and earlier, and DIR-895L/R with firmware 1.21B04beta04 and earlier devices (all hardware revisions). Due to the predictability of the /docs/captcha_(number).jpeg URI, being local to the network, but unauthenticated to the administrator's panel, an attacker can disclose the CAPTCHAs used by the access point and can elect to load the CAPTCHA of their choosing, leading to unauthorized login attempts to the access point."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://securityadvisories.dlink.com/announcement/publication.aspx?name=SAP10099", "refsource": "CONFIRM", "url": "https://securityadvisories.dlink.com/announcement/publication.aspx?name=SAP10099"}, {"name": "20180702 CVE-2018-12103", "refsource": "FULLDISC", "url": "http://seclists.org/fulldisclosure/2018/Jul/13"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T08:24:03.699Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://securityadvisories.dlink.com/announcement/publication.aspx?name=SAP10099"}, {"name": "20180702 CVE-2018-12103", "tags": ["mailing-list", "x_refsource_FULLDISC", "x_transferred"], "url": "http://seclists.org/fulldisclosure/2018/Jul/13"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-12103", "datePublished": "2018-07-05T20:00:00.000Z", "dateReserved": "2018-06-11T00:00:00.000Z", "dateUpdated": "2024-08-05T08:24:03.699Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-890l_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "5CFC03E5-D6C8-43CD-BD7B-9D15585CEF27", "versionEndIncluding": "1.21b02beta01", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-890l:-:*:*:*:*:*:*:*", "matchCriteriaId": "B1EA89C7-4655-43A3-9D2B-D57640D56C09", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:d-link:dir-885l\\/r_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "C8174965-65C2-4C75-90A3-CC4E00AE6E4F", "versionEndIncluding": "1.21b03beta01", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:d-link:dir-885\\/r:-:*:*:*:*:*:*:*", "matchCriteriaId": "99E52143-C51C-4421-869A-A28A558888EF", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:d-link:dir-895l\\/r_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D98B9837-9A7A-4B86-8C8F-FAE1EA7FDE55", "versionEndIncluding": "1.21b04beta01", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:d-link:dir-895\\/r:-:*:*:*:*:*:*:*", "matchCriteriaId": "B22F5799-66EB-4C0F-8071-9DB6EF10DE62", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered on D-Link DIR-890L with firmware 1.21B02beta01 and earlier, DIR-885L/R with firmware 1.21B03beta01 and earlier, and DIR-895L/R with firmware 1.21B04beta04 and earlier devices (all hardware revisions). Due to the predictability of the /docs/captcha_(number).jpeg URI, being local to the network, but unauthenticated to the administrator's panel, an attacker can disclose the CAPTCHAs used by the access point and can elect to load the CAPTCHA of their choosing, leading to unauthorized login attempts to the access point."}, {"lang": "es", "value": "Se ha detectado un fallo en D-Link DIR-890L, con versiones de firmware 1.21B02beta01 y anteriores, en DIR-885L/R, con versiones de firmware 1.21B03beta01 y anteriores, y en DIR-895L/R, con versiones de firmware 1.21B04beta04 y anteriores (en todas las revisiones de hardware). Debido a la previsibilidad del URI /docs/captcha_(number).jpeg, siendo \u00e9sta local a la red pero autenticada en el panel de administrador, un atacante puede divulgar los CAPTCHA utilizados por el punto de acceso y puede elegir que se cargue el CAPTCHA de su elecci\u00f3n. Esto conduce a intentos de inicio de sesi\u00f3n no autorizados a dicho punto de acceso."}], "id": "CVE-2018-12103", "lastModified": "2026-06-17T01:37:09.717", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 3.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-07-05T20:29:00.433", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2018/Jul/13"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://securityadvisories.dlink.com/announcement/publication.aspx?name=SAP10099"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2018/Jul/13"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://securityadvisories.dlink.com/announcement/publication.aspx?name=SAP10099"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}