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CVSS: 7.5EPSS: 0%CPEs: 225EXPL: 2

An issue was discovered in Embedthis GoAhead before 4.0.1 and Appweb before 7.0.2. An HTTP POST request with a specially crafted "Host" header field may cause a NULL pointer dereference and thus cause a denial of service, as demonstrated by the lack of a trailing ']' character in an IPv6 address. Se ha descubierto un problema en Embedthis GoAhead en versiones anteriores a la 4.0.1 y Appweb anteriores a la 7.0.2. Una petición HTTP POST con un campo de cabecera "Host" especialmente manipulado puede causar una desreferencia de puntero NULL y, por lo tanto, una denegación de servicio, tal y como queda demostrado con la falta de un carácter posterior ']' en una dirección IPv6. • https://github.com/embedthis/appweb/commit/16e6979c82297d5fc4f8661e7ada975f51e4dfa9 https://github.com/embedthis/appweb/issues/605 https://github.com/embedthis/goahead/issues/264 https://supportportal.juniper.net/s/article/2021-07-Security-Bulletin-Junos-OS-Multiple-J-Web-vulnerabilities-resolved?language=en_US • CWE-476: NULL Pointer Dereference •

CVSS: 5.9EPSS: 0%CPEs: 181EXPL: 0

Receipt of specially crafted UDP/IP packets over MPLS may be able to bypass a stateless firewall filter. The crafted UDP packets must be encapsulated and meet a very specific packet format to be classified in a way that bypasses IP firewall filter rules. The packets themselves do not cause a service interruption (e.g. RPD crash), but receipt of a high rate of UDP packets may be able to contribute to a denial of service attack. This issue only affects processing of transit UDP/IP packets over MPLS, received on an interface with MPLS enabled. • http://www.securitytracker.com/id/1041326 https://kb.juniper.net/JSA10865 • CWE-400: Uncontrolled Resource Consumption •

CVSS: 7.5EPSS: 5%CPEs: 72EXPL: 0

BIND was improperly sequencing cleanup operations on upstream recursion fetch contexts, leading in some cases to a use-after-free error that can trigger an assertion failure and crash in named. Affects BIND 9.0.0 to 9.8.x, 9.9.0 to 9.9.11, 9.10.0 to 9.10.6, 9.11.0 to 9.11.2, 9.9.3-S1 to 9.9.11-S1, 9.10.5-S1 to 9.10.6-S1, 9.12.0a1 to 9.12.0rc1. BIND secuenciaba incorrectamente las operaciones de limpieza en contextos fetch de recursión ascendente, lo que conduce en algunos casos a un error de uso de memoria previamente liberada que puede desencadenar un fallo de aserción y un cierre inesperado en named. Afecta a BIND desde la versión 9.0.0 hasta la versión 9.8.x, desde la versión 9.9.0 hasta la versión 9.9.11, desde la versión 9.10.0 hasta la versión 9.10.6, desde la versión 9.11.0 hasta la versión 9.11.2, desde la versión 9.9.3-S1 hasta la versión 09.9.11-S1, desde la versión 9.10.5-S1 hasta la versión 9.10.6-S1 y desde la 9.12.0a1 hasta la 9.12.0rc1. A use-after-free flaw leading to denial of service was found in the way BIND internally handled cleanup operations on upstream recursion fetch contexts. • http://www.securityfocus.com/bid/102716 http://www.securitytracker.com/id/1040195 https://access.redhat.com/errata/RHSA-2018:0101 https://access.redhat.com/errata/RHSA-2018:0102 https://access.redhat.com/errata/RHSA-2018:0487 https://access.redhat.com/errata/RHSA-2018:0488 https://kb.isc.org/docs/aa-01542 https://lists.debian.org/debian-lts-announce/2018/01/msg00029.html https://security.netapp.com/advisory/ntap-20180117-0003 https://supportportal.juniper.net/s/article/ • CWE-416: Use After Free •

CVSS: 6.8EPSS: 17%CPEs: 228EXPL: 0

named in ISC BIND 9.x before 9.9.8-P4 and 9.10.x before 9.10.3-P4 does not properly handle DNAME records when parsing fetch reply messages, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a malformed packet to the rndc (aka control channel) interface, related to alist.c and sexpr.c. named en ISC BIND 9.x en versiones anteriores a 9.9.8-P4 y 9.10.x en versiones anteriores a 9.10.3-P4 no maneja adecuadamente los archivos DNAME cuando analiza gramaticalmente la recuperación de mensajes contestados, lo que permite a atacantes remotos provocar una denegación de servicio (fallo de aserción y salida de demonio) a través de un paquete mal formado en la interfaz rndc (también conocido como canal de control), relacionado con alist.c y sexpr.c. A denial of service flaw was found in the way BIND processed certain control channel input. A remote attacker able to send a malformed packet to the control channel could use this flaw to cause named to crash. • http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181036.html http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181037.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178831.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178880.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179904.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179911.html http://lists.opensuse.org/opensuse- • CWE-617: Reachable Assertion •

CVSS: 8.6EPSS: 73%CPEs: 228EXPL: 0

named in ISC BIND 9.x before 9.9.8-P4 and 9.10.x before 9.10.3-P4 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted signature record for a DNAME record, related to db.c and resolver.c. named en ISC BIND 9.x en versiones anteriores a 9.9.8-P4 y 9.10.x en versiones anteriores a 9.10.3-P4 permite a atacantes remotos provocar una denegación de servicio (fallo de aserción y salida de demonio) a través de un registro de firma manipulado para un registro DNAME, relacionada con db.c y resolver.c. A denial of service flaw was found in the way BIND parsed signature records for DNAME records. By sending a specially crafted query, a remote attacker could use this flaw to cause named to crash. • http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181036.html http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181037.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178831.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178880.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179904.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179911.html http://lists.opensuse.org/opensuse- • CWE-617: Reachable Assertion •