CVE-2017-14623

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{"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:a:go-ldap_project:ldap:*:*:*:*:*:*:*:*", "matchCriteriaId": "5AFC31F6-1078-4377-AEF0-6249089C93B3", "versionEndIncluding": "2.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the ldap.v2 (aka go-ldap) package through 2.5.0 for Go, an attacker may be able to login with an empty password. This issue affects an application using this package if these conditions are met: (1) it relies only on the return error of the Bind function call to determine whether a user is authorized (i.e., a nil return value is interpreted as successful authorization) and (2) it is used with an LDAP server allowing unauthenticated bind."}, {"lang": "es", "value": "En el paquete ldap.v2 (tambi\u00e9n conocido como go-ldap) hasta la versi\u00f3n 2.5.0 para Go, un atacante podr\u00eda ser capaz de iniciar sesi\u00f3n con una contrase\u00f1a vac\u00eda. Este problema afecta a una aplicaci\u00f3n que usa este paquete si se cumplen las siguientes condiciones: (1) solo depende del error de retorno de la llamada de funci\u00f3n Bind para determinar si un usuario est\u00e1 autorizado (por ejemplo, si se interpreta un valor nulo como una autorizaci\u00f3n con \u00e9xito) y (2) se emplea con un servidor LDAP que permita el enlace sin autenticaci\u00f3n."}], "id": "CVE-2017-14623", "lastModified": "2026-06-17T01:06:30.423", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-09-20T23:29:00.247", "references": [{"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/go-ldap/ldap/commit/95ede1266b237bf8e9aa5dce0b3250e51bfefe66"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/go-ldap/ldap/pull/126"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/go-ldap/ldap/commit/95ede1266b237bf8e9aa5dce0b3250e51bfefe66"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/go-ldap/ldap/pull/126"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "gopkg.in-ldap.v2: Authentication bypass via empty password", "id": "1493998", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1493998"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.6", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-287", "details": ["In the ldap.v2 (aka go-ldap) package through 2.5.0 for Go, an attacker may be able to login with an empty password. This issue affects an application using this package if these conditions are met: (1) it relies only on the return error of the Bind function call to determine whether a user is authorized (i.e., a nil return value is interpreted as successful authorization) and (2) it is used with an LDAP server allowing unauthenticated bind."], "name": "CVE-2017-14623", "package_state": [{"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Will not fix", "package_name": "atomic-openshift-clients", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Will not fix", "package_name": "openshift3/ose-cli", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift4/ose-cli", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "openshift-clients", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:3", "fix_state": "Will not fix", "package_name": "atomic-openshift", "product_name": "Red Hat OpenShift Enterprise 3"}], "public_date": "2017-08-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-14623\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-14623"], "statement": "This issues affects the version of go-ldap/ldap with Red Hat OpenShift Container Platform (OCP) 3.11. However OpenShift explicitly checks for blank passwords in order to prevent anonymous LDAP binds. As the OpenShift 3.11 product packages the vulnerable library, it is affected, but is set to wontfix. Red Hat Product Security has rated this issue as having security impact of Moderate. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.\nThe 'oc cli' in OCP 3.11 and 4.x also contains the vulnerable go-ldap/ldap library. However, while the oc binary does allow anonymous binds any unauthenticated binds are not possible. Hence the oc cli is marked affected (as it includes the library), but is set to wontfix - this may be addressed in a future release.\nWithin regulated environments, a combination of the following controls acts as a significant barrier to successfully exploiting a CWE-287: Improper Authentication vulnerability and therefore downgrades the severity of this particular CVE from Moderate to Low.\nAccess to the platform is granted only after successful authentication through multifactor authentication (MFA). Domain accounts are configured to lock out based on predefined access policies, reducing the effectiveness of brute-force attacks on authentication mechanisms. The platform employs IAM roles for identification and authentication within its cloud infrastructure that govern user access to resources and manage provisioning, deployment, and configuration within the platform environment. This reduces the risk of unauthorized access through third-party or external user accounts. Finally, memory protection mechanisms are used to enhance resilience against unauthorized commands or improper authentication.", "threat_severity": "Moderate"}

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