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CVSS: 7.5EPSS: 1%CPEs: 6EXPL: 0

While handling a particular type of malformed packet BIND erroneously selects a SERVFAIL rcode instead of a FORMERR rcode. If the receiving view has the SERVFAIL cache feature enabled, this can trigger an assertion failure in badcache.c when the request doesn't contain all of the expected information. Affects BIND 9.10.5-S1 to 9.10.5-S4, 9.10.6-S1, 9.10.6-S2. Al gestionar un tipo concreto de paquete mal formado, BIND selecciona erróneamente un rcode SERVFAIL en lugar de un rcode FORMERR. Si la vista que se está recibiendo tiene la característica de caché SERVFAIL habilitada, esto puede desencadenar un fallo de aserción en badcache.c cuando la petición no contiene toda la información esperada. • http://www.securityfocus.com/bid/103189 http://www.securitytracker.com/id/1040438 https://kb.isc.org/docs/aa-01562 https://security.netapp.com/advisory/ntap-20180926-0005 • CWE-617: Reachable Assertion •

CVSS: 6.5EPSS: 0%CPEs: 16EXPL: 2

_set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service. _set_key en agent/helpers/table_container.c en Net-SNMP en versiones anteriores a la 5.8 tiene un error de excepción de puntero NULL que puede ser empleado por un atacante autenticado para provocar el cierre inesperado de la instancia de forma remota mediante un paquete UDP manipulado, lo que resulta en una denegación de servicio (DoS). • https://www.exploit-db.com/exploits/45547 http://www.securityfocus.com/bid/106265 https://cert-portal.siemens.com/productcert/pdf/ssa-978220.pdf https://dumpco.re/blog/net-snmp-5.7.3-remote-dos https://security.netapp.com/advisory/ntap-20181107-0001 https://security.paloaltonetworks.com/CVE-2018-18065 https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d https://usn.ubuntu.com/3792-1 https://usn.ubuntu.com/3792-2 https://usn.ubuntu.com/3792-3 • CWE-476: NULL Pointer Dereference •

CVSS: 7.5EPSS: 0%CPEs: 7EXPL: 1

snmp_oid_compare in snmplib/snmp_api.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an unauthenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service. snmp_oid_compare en snmplib/snmp_api.c en Net-SNMP en versiones anteriores a la 5.8 tiene un error de excepción de puntero NULL que puede ser empleado por un atacante no autenticado para provocar el cierre inesperado de la instancia de forma remota mediante un paquete UDP manipulado, lo que resulta en una denegación de servicio (DoS). • https://dumpco.re/blog/net-snmp-5.7.3-remote-dos https://security.netapp.com/advisory/ntap-20181107-0001 https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791 https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html https://access.redhat.com/security/cve/CVE-2018-18066 https://bugzilla.redhat.com/show_bug.cgi?id=1637572 • CWE-476: NULL Pointer Dereference •

CVSS: 5.9EPSS: 0%CPEs: 1095EXPL: 0

Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a speculative buffer overflow and side-channel analysis. Los sistemas con microprocesadores que emplean la ejecución especulativa y la predicción de ramas podría permitir la divulgación no autorizada de información a un atacante con acceso de usuario local mediante un desbordamiento de búfer especulativo y el análisis de canal lateral. An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions past bounds check. The flaw relies on the presence of a precisely-defined instruction sequence in the privileged code and the fact that memory writes occur to an address which depends on the untrusted value. Such writes cause an update into the microprocessor's data cache even for speculatively executed instructions that never actually commit (retire). • https://access.redhat.com/errata/RHSA-2018:2384 https://access.redhat.com/errata/RHSA-2018:2390 https://access.redhat.com/errata/RHSA-2018:2395 https://access.redhat.com/errata/RHSA-2019:1946 https://access.redhat.com/errata/RHSA-2020:0174 https://cdrdv2.intel.com/v1/dl/getContent/685359 https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0 https://security.netapp.com/advisory/ntap-20180823-0001 https://www.oracle.com/s • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

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

An error in handling certain queries can cause an assertion failure when a server is using the nxdomain-redirect feature to cover a zone for which it is also providing authoritative service. A vulnerable server could be intentionally stopped by an attacker if it was using a configuration that met the criteria for the vulnerability and if the attacker could cause it to accept a query that possessed the required attributes. Please note: This vulnerability affects the "nxdomain-redirect" feature, which is one of two methods of handling NXDOMAIN redirection, and is only available in certain versions of BIND. Redirection using zones of type "redirect" is not affected by this vulnerability. Affects BIND 9.9.8-S1 -> 9.9.8-S3, 9.9.9-S1 -> 9.9.9-S6, 9.11.0-9.11.0-P1. • http://www.securityfocus.com/bid/95388 http://www.securitytracker.com/id/1037582 https://kb.isc.org/article/AA-01442 https://security.gentoo.org/glsa/201708-01 https://security.netapp.com/advisory/ntap-20180926-0005 • CWE-388: 7PK - Errors •