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CVSS: 7.5EPSS: 11%CPEs: 4EXPL: 0

25 Jan 2021 — A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel operation, resulting in denial of service. Se detectó un fallo en OpenLDAP versiones anteriores a 2.4.57, conllevando a un bucle infinito en slapd con la operación Cancel de cancel_extop, resultando en una denegación de servicio It was discovered that OpenLDAP incorrectly handled Certificate Exact Assertion processing. A remote attacker could possibly use this issue to cause OpenLDAP to crash, r... • http://seclists.org/fulldisclosure/2021/May/64 • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •

CVSS: 7.5EPSS: 1%CPEs: 22EXPL: 0

25 Jan 2021 — A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter control handling, resulting in denial of service (double free and out-of-bounds read). Se detectó un fallo en OpenLDAP versiones anteriores a 2.4.57, conllevando un bloqueo de slapd en el manejo del control de Values Return Filter, resultando en una denegación de servicio (doble liberación y lectura fuera de límites) It was discovered that OpenLDAP incorrectly handled Certificate Exact Assertion processing. ... • http://seclists.org/fulldisclosure/2021/May/64 • CWE-125: Out-of-bounds Read CWE-415: Double Free •

CVSS: 7.5EPSS: 2%CPEs: 9EXPL: 0

28 Nov 2020 — A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23(). The highest threat from this vulnerability is to system availability. Se encontró un fallo en OpenLDAP en versiones anteriores a 2.4.56. Este fallo permite a un atacante que envía un paquete malicioso procesado por OpenLDAP forzar una afirmación fallida en la función csnNormalize23(). • https://bugzilla.redhat.com/show_bug.cgi?id=1899678 • CWE-617: Reachable Assertion •

CVSS: 7.5EPSS: 1%CPEs: 23EXPL: 0

17 Nov 2020 — A flaw was found in OpenLDAP. This flaw allows an attacker who can send a malicious packet to be processed by OpenLDAP’s slapd server, to trigger an assertion failure. The highest threat from this vulnerability is to system availability. Se encontró un fallo en OpenLDAP. Este fallo permite a un atacante que puede enviar un paquete malicioso a ser procesado por el servidor slapd de OpenLDAP, para desencadenar un fallo de aserción. • http://seclists.org/fulldisclosure/2021/Feb/14 • CWE-617: Reachable Assertion •

CVSS: 7.5EPSS: 0%CPEs: 7EXPL: 0

09 Nov 2020 — A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a request for renaming RDNs. An unauthenticated attacker could remotely crash the slapd process by sending a specially crafted request, causing a Denial of Service. Se encontró una desreferencia de puntero NULL en el servidor OpenLDAP y se corrigió en openldap versión 2.4.55, durante una petición para cambiar el nombre de los RDN. Un atacante no autenticado podría bloquear remotamente el proceso slapd al enviar ... • https://bugzilla.redhat.com/show_bug.cgi?id=1894567 • CWE-476: NULL Pointer Dereference •

CVSS: 4.2EPSS: 0%CPEs: 6EXPL: 0

14 Jul 2020 — libldap in certain third-party OpenLDAP packages has a certificate-validation flaw when the third-party package is asserting RFC6125 support. It considers CN even when there is a non-matching subjectAltName (SAN). This is fixed in, for example, openldap-2.4.46-10.el8 in Red Hat Enterprise Linux. libldap en determinados paquetes OpenLDAP de terceros presenta un fallo de comprobación de certificados cuando el paquete de terceros está afirmando que admite RFC6125. Considera CN incluso cuando se presenta un sub... • http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00033.html • CWE-295: Improper Certificate Validation •

CVSS: 7.5EPSS: 1%CPEs: 67EXPL: 1

28 Apr 2020 — In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service (daemon crash). En el archivo filter.c en slapd en OpenLDAP versiones anteriores a 2.4.50, los filtros de búsqueda de LDAP con expresiones booleanas anidadas pueden resultar en una denegación de servicio (bloqueo del demonio). Red Hat OpenShift Do is a simple CLI tool for developers to create, build, and deploy applications on OpenShift. The odo tool is completely client-based ... • http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00016.html • CWE-400: Uncontrolled Resource Consumption CWE-674: Uncontrolled Recursion •

CVSS: 7.5EPSS: 0%CPEs: 29EXPL: 0

26 Jul 2019 — An issue was discovered in OpenLDAP 2.x before 2.4.48. When using SASL authentication and session encryption, and relying on the SASL security layers in slapd access controls, it is possible to obtain access that would otherwise be denied via a simple bind for any identity covered in those ACLs. After the first SASL bind is completed, the sasl_ssf value is retained for all new non-SASL connections. Depending on the ACL configuration, this can affect different types of operations (searches, modifications, et... • http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html •

CVSS: 4.9EPSS: 0%CPEs: 29EXPL: 0

26 Jul 2019 — An issue was discovered in the server in OpenLDAP before 2.4.48. When the server administrator delegates rootDN (database admin) privileges for certain databases but wants to maintain isolation (e.g., for multi-tenant deployments), slapd does not properly stop a rootDN from requesting authorization as an identity from another database during a SASL bind or with a proxyAuthz (RFC 4370) control. (It is not a common configuration to deploy a system where the server administrator and a DB administrator enjoy di... • http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html •

CVSS: 7.5EPSS: 0%CPEs: 5EXPL: 0

18 Dec 2017 — contrib/slapd-modules/nops/nops.c in OpenLDAP through 2.4.45, when both the nops module and the memberof overlay are enabled, attempts to free a buffer that was allocated on the stack, which allows remote attackers to cause a denial of service (slapd crash) via a member MODDN operation. contrib/slapd-modules/nops/nops.c en OpenLDAP hasta la versión 2.4.45, cuando el módulo nops y la capa memberof están activados, intenta liberar un búfer que se había asignado en la pila, lo que permite que los atacantes rem... • http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00053.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •