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CVSS: 10.0EPSS: 77%CPEs: 33EXPL: 0

03 Feb 2014 — The rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a denial of service (slapd crash) by unbinding immediately after a search request, which triggers rwm_conn_destroy to free the session context while it is being used by rwm_op_search. El overlay rwm en OpenLDAP 2.4.23, 2.4.36 y anteriores no cuenta debidamente las referencias, lo que permite a atacantes remotos causar una denegación de servicio (caída de slapd) mediante la desvi... • http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 • CWE-189: Numeric Errors •

CVSS: 7.5EPSS: 15%CPEs: 24EXPL: 0

29 Jun 2012 — slapd in OpenLDAP before 2.4.30 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via an LDAP search query with attrsOnly set to true, which causes empty attributes to be returned. slapd de OpenLDAP anteriores a 2.4.30 permite a atacantes remotos provocar una denegación de servicio (fallo de aserción y finalización del demonio) a través de una petición de búsqueda LDAP con attrsOnly asignado a "true", lo que provoca que atributos vacíos sean devueltos. It was discovere... • http://rhn.redhat.com/errata/RHSA-2012-0899.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.5EPSS: 0%CPEs: 26EXPL: 0

17 Jun 2012 — libraries/libldap/tls_m.c in OpenLDAP, possibly 2.4.31 and earlier, when using the Mozilla NSS backend, always uses the default cipher suite even when TLSCipherSuite is set, which might cause OpenLDAP to use weaker ciphers than intended and make it easier for remote attackers to obtain sensitive information. libraries/libldap/tls_m.c en OpenLDAP, posiblemente v2.4.31 y anteriores, cuando se utiliza el "backend" de Mozilla NSS, siempre utiliza la suite de cifrado por defecto incluso cuando TLSCipherSuite est... • http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=676309 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 7.5EPSS: 6%CPEs: 175EXPL: 0

27 Oct 2011 — Off-by-one error in the UTF8StringNormalize function in OpenLDAP 2.4.26 and earlier allows remote attackers to cause a denial of service (slapd crash) via a zero-length string that triggers a heap-based buffer overflow, as demonstrated using an empty postalAddressAttribute value in an LDIF entry. Error por un paso en la función UTF8StringNormalize en OpenLDAP 2.4.26 y versiones anteriores permite a atacantes remotos provocar una denegación de servicio (caída de slapd) a través de una cadena de longitud cero... • http://secunia.com/advisories/46599 • CWE-189: Numeric Errors •

CVSS: 10.0EPSS: 0%CPEs: 18EXPL: 0

20 Mar 2011 — chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a master-slave configuration with a chain overlay and ppolicy_forward_updates (aka authentication-failure forwarding) is used, allows remote authenticated users to bypass external-program authentication by sending an invalid password to a slave server. chain.c en back-ldap en OpenLDAP v2.4.x anteriores a v2.4.24 cuando se utiliza una configuración maestro-esclavo con una superposición de la cadena y policy_forward_updates (también conocido como auth... • http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 • CWE-264: Permissions, Privileges, and Access Controls •

CVSS: 10.0EPSS: 7%CPEs: 18EXPL: 0

20 Mar 2011 — bind.cpp in back-ndb in OpenLDAP 2.4.x before 2.4.24 does not require authentication for the root Distinguished Name (DN), which allows remote attackers to bypass intended access restrictions via an arbitrary password. bind.cpp en back-ndb en OpenLDAP v2.4.x anteriores a v2.4.24 no requiere autenticación para el Distinguished Name (DN), lo que permite a atacantes remotos evitar las restricciones de acceso previsto a través de una contraseña arbitraria. Multiple vulnerabilities were found in OpenLDAP, allowi... • http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 • CWE-287: Improper Authentication •

CVSS: 10.0EPSS: 4%CPEs: 18EXPL: 2

20 Mar 2011 — modrdn.c in slapd in OpenLDAP 2.4.x before 2.4.24 allows remote attackers to cause a denial of service (daemon crash) via a relative Distinguished Name (DN) modification request (aka MODRDN operation) that contains an empty value for the OldDN field. modrdn.c en slapd en OpenLDAP v2.4.x anterior a v2.4.24 permite a atacantes remotos provocar una denegación de servicio (caída de demonio) mediante una petición de modificación del nombre completo relativo (DN) (también conocido como operación MODRDN) que conti... • https://www.exploit-db.com/exploits/35445 • CWE-399: Resource Management Errors •

CVSS: 9.8EPSS: 45%CPEs: 6EXPL: 3

27 Jul 2010 — The slap_modrdn2mods function in modrdn.c in OpenLDAP 2.4.22 does not check the return value of a call to the smr_normalize function, which allows remote attackers to cause a denial of service (segmentation fault) and possibly execute arbitrary code via a modrdn call with an RDN string containing invalid UTF-8 sequences, which triggers a free of an invalid, uninitialized pointer in the slap_mods_free function, as demonstrated using the Codenomicon LDAPv3 test suite. La función slap_modrdn2mods en modrdn.c e... • https://www.exploit-db.com/exploits/34348 • CWE-252: Unchecked Return Value •

CVSS: 10.0EPSS: 64%CPEs: 1EXPL: 2

27 Jul 2010 — OpenLDAP 2.4.22 allows remote attackers to cause a denial of service (crash) via a modrdn call with a zero-length RDN destination string, which is not properly handled by the smr_normalize function and triggers a NULL pointer dereference in the IA5StringNormalize function in schema_init.c, as demonstrated using the Codenomicon LDAPv3 test suite. OpenLDAP 2.4.22 permite a atacantes remotos provocar una denegación de servicio(caída) a través de una llamada modrdn con una cadena de destino RDN con longitud cer... • http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 • CWE-264: Permissions, Privileges, and Access Controls CWE-476: NULL Pointer Dereference •

CVSS: 5.9EPSS: 1%CPEs: 4EXPL: 0

23 Oct 2009 — libraries/libldap/tls_o.c in OpenLDAP 2.2 and 2.4, and possibly other versions, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408. libraries/libldap/tls_o.c en OpenLDAP, cuando se usa OpenSSL, no maneja de forma adecuada el caracter '\0'... • http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html • CWE-295: Improper Certificate Validation •