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CVSS: 4.4EPSS: 0%CPEs: 2EXPL: 0

26 Oct 2023 — Elasticsearch generally filters out sensitive information and credentials before logging to the audit log. It was found that this filtering was not applied when requests to Elasticsearch use certain deprecated URIs for APIs. The impact of this flaw is that sensitive information such as passwords and tokens might be printed in cleartext in Elasticsearch audit logs. Note that audit logging is disabled by default and needs to be explicitly enabled and even when audit logging is enabled, request bodies that cou... • https://discuss.elastic.co/t/elasticsearch-8-9-2-and-7-17-13-security-update/342479 • CWE-532: Insertion of Sensitive Information into Log File •

CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0

26 Oct 2023 — An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. An unauthenticated user could force an Elasticsearch node to exit with an OutOfMemory error by sending a moderate number of malformed HTTP requests. The issue was identified by Elastic Engineering and we have no indication that the issue is known or that it is being exploited in the wild. Se identificó un problema con la forma en que Elasticsearch manejó las solicitudes entrantes en la capa HTTP. Un usuario no a... • https://discuss.elastic.co/t/elasticsearch-8-9-0-7-17-13-security-update/343616 • CWE-400: Uncontrolled Resource Consumption •

CVSS: 7.8EPSS: 0%CPEs: 2EXPL: 3

22 Sep 2023 — A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service. Se descubrió una falla en Elasticsearch que afectaba a la API _search y permitía que una cadena de consulta especialmente manipulada provocara un desbordamiento de pila y, en última instancia, una denegación de servicio. • https://packetstorm.news/files/id/174807 • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •

CVSS: 7.5EPSS: 0%CPEs: 1EXPL: 0

06 Jun 2022 — A Denial of Service flaw was discovered in Elasticsearch. Using this vulnerability, an unauthenticated attacker could forcibly shut down an Elasticsearch node with a specifically formatted network request. Se ha detectado un fallo de Denegación de Servicio en Elasticsearch. Usando esta vulnerabilidad, un atacante no autenticado podría cerrar por la fuerza un nodo de Elasticsearch con una petición de red con un formato específico • https://discuss.elastic.co/t/elastic-stack-7-17-4-and-8-2-1-security-update/305530 • CWE-754: Improper Check for Unusual or Exceptional Conditions •

CVSS: 4.3EPSS: 0%CPEs: 1EXPL: 0

03 Mar 2022 — A flaw was discovered in Elasticsearch 7.17.0’s upgrade assistant, in which upgrading from version 6.x to 7.x would disable the in-built protections on the security index, allowing authenticated users with “*” index permissions access to this index. Se ha detectado un fallo en el asistente de actualización de Elasticsearch versión 7.17.0, en el que la actualización de la versión 6.x a 7.x deshabilitaba las protecciones incorporadas en el índice de seguridad, permitiendo a usuarios autenticados con permisos ... • https://discuss.elastic.co/t/elastic-stack-7-17-1-security-update/298447 • CWE-264: Permissions, Privileges, and Access Controls •

CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 0

15 Sep 2021 — Elasticsearch before 7.14.0 did not apply document and field level security to searchable snapshots. This could lead to an authenticated user gaining access to information that they are unauthorized to view. Elasticsearch versiones anteriores a 7.14.0, no aplicaba la seguridad a nivel de documento y de campo a las instantáneas con capacidad de búsqueda. Esto podía conllevar a que un usuario autenticado consiguiera acceso a información que no estaba autorizado a visualizar • https://discuss.elastic.co/t/elastic-stack-7-14-0-security-update/280344 • CWE-732: Incorrect Permission Assignment for Critical Resource CWE-862: Missing Authorization •

CVSS: 6.5EPSS: 0%CPEs: 3EXPL: 0

26 Jul 2021 — In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled recursion vulnerability that could lead to a denial of service attack was identified in the Elasticsearch Grok parser. A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node. En Elasticsearch versiones anteriores a 7.13.3 y la 6.8.17, se ha identificado una vulnerabilidad de recursión no controlada que podía conllevar a un ataque de denegación de servici... • https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100 • CWE-674: Uncontrolled Recursion •

CVSS: 7.5EPSS: 18%CPEs: 1EXPL: 4

21 Jul 2021 — All versions of Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled by default in deployed clusters. While in the default setting the anonymous user has no permissions and is unable to successfully query any Elasticsearch APIs, an attacker could leverage the anonymous user to gain insight into certain details of a deployed cluster. Todas las versiones de Elastic Cloud Enterprise presentan el usuario "anonymous" de Elasticsearch habilitado por defecto en los clusters desplegados. Mientras... • https://packetstorm.news/files/id/163655 •

CVSS: 6.5EPSS: 96%CPEs: 2EXPL: 5

21 Jul 2021 — A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting. A user with the ability to submit arbitrary queries to Elasticsearch could submit a malformed query that would result in an error message returned containing previously used portions of a data buffer. This buffer could contain sensitive information such as Elasticsearch documents or authentication details. Se ha identificado una vulnerabilidad de divulgación de memoria en los informes de errores de Elasticsea... • https://packetstorm.news/files/id/181017 • CWE-209: Generation of Error Message Containing Sensitive Information •

CVSS: 5.3EPSS: 0%CPEs: 2EXPL: 0

13 May 2021 — In Elasticsearch versions before 7.11.2 and 6.8.15 a document disclosure flaw was found when Document or Field Level Security is used. Search queries do not properly preserve security permissions when executing certain cross-cluster search queries. This could result in the search disclosing the existence of documents the attacker should not be able to view. This could result in an attacker gaining additional insight into potentially sensitive indices. En Elasticsearch versiones anteriores a 7.11.2 y la 6.8.... • https://discuss.elastic.co/t/elastic-stack-7-12-0-and-6-8-15-security-update/268125 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-281: Improper Preservation of Permissions •