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CVSS: 3.5EPSS: 5%CPEs: 4EXPL: 0

res/res_pjsip_exten_state.c in the PJSIP channel driver in Asterisk Open Source 12.x before 12.1.0 allows remote authenticated users to cause a denial of service (crash) via a SUBSCRIBE request without any Accept headers, which triggers an invalid pointer dereference. res/res_pjsip_exten_state.c en el controlador de canal PJSIP en Asterisk Open Source 12.x anterior a 12.1.0 permite a usuarios remotos autenticados causar una denegaci´´on de servicio (caída) a través de una solicitud SUBSCRIBE sin cabeceras Accept, lo que provoca una referencia de puntero invalida. • http://downloads.asterisk.org/pub/security/AST-2014-004-12.diff http://downloads.asterisk.org/pub/security/AST-2014-004.html http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130400.html http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130426.html https://issues.asterisk.org/jira/browse/ASTERISK-23139 • CWE-20: Improper Input Validation •

CVSS: 4.3EPSS: 1%CPEs: 5EXPL: 0

The PJSIP channel driver in Asterisk Open Source 12.x before 12.1.1, when qualify_frequency "is enabled on an AOR and the remote SIP server challenges for authentication of the resulting OPTIONS request," allows remote attackers to cause a denial of service (crash) via a PJSIP endpoint that does not have an associated outgoing request. El controlador de canal PJSIP en Asterisk Open Source 12.x anterior a 12.1.1, cuando qualify_frequency "está habilitado en un AOR y el servidor SIP remoto desafía para autenticación de la solicitud OPTIONS resultante," permite a atacantes remotos causar una denegación de servicio (caída) a través de un Endpoint de PJSIP que no tiene una solicitud saliente asociada. • http://downloads.asterisk.org/pub/security/AST-2014-003-12.diff http://downloads.asterisk.org/pub/security/AST-2014-003.html http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130400.html http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130426.html https://issues.asterisk.org/jira/browse/ASTERISK-23210 • CWE-20: Improper Input Validation •

CVSS: 3.5EPSS: 63%CPEs: 232EXPL: 0

channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.26.1, 11.8.x before 11.8.1, and 12.1.x before 12.1.1, and Certified Asterisk 1.8.15 before 1.8.15-cert5 and 11.6 before 11.6-cert2, when chan_sip has a certain configuration, allows remote authenticated users to cause a denial of service (channel and file descriptor consumption) via an INVITE request with a (1) Session-Expires or (2) Min-SE header with a malformed or invalid value. channels/chan_sip.c en Asterisk Open Source 1.8.x anterior a 1.8.26.1, 11.8.x anterior a 11.8.1 y 12.1.x anterior a 12.1.1, y Certified Asterisk 1.8.15 anterior a 1.8.15-cert5 y 11.6 anterior a 11.6-cert2, cuando chan_sip tiene cierta configuración, permite a usuarios remotos autenticados causar una denegación de servicio (consumo de canal y consumo de descriptores de archivo) a través de una solicitud INVITE con una cabecera (1) Session-Expires o (2) Min-SE con un valor malformado o invalido. • http://downloads.asterisk.org/pub/security/AST-2014-002-1.8.diff http://downloads.asterisk.org/pub/security/AST-2014-002.html http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130400.html http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130426.html http://www.mandriva.com/security/advisories?name=MDVSA-2014:078 http://www.securityfocus.com/bid/66094 https://issues.asterisk.org/jira/browse/ASTERISK-23373 • CWE-20: Improper Input Validation •

CVSS: 7.5EPSS: 59%CPEs: 232EXPL: 0

main/http.c in Asterisk Open Source 1.8.x before 1.8.26.1, 11.8.x before 11.8.1, and 12.1.x before 12.1.1, and Certified Asterisk 1.8.x before 1.8.15-cert5 and 11.6 before 11.6-cert2, allows remote attackers to cause a denial of service (stack consumption) and possibly execute arbitrary code via an HTTP request with a large number of Cookie headers. main/http.c en Asterisk Open Source 1.8.x anterior a 1.8.26.1, 11.8.x anterior a 11.8.1 y 12.1.x anterior a 12.1.1 y Certified Asterisk 1.8.x anterior a 1.8.15-cert5 y 11.6 anterior a 11.6-cert2, permite a atacantes remotos causar una denegación de servicio (consumo de pila) y posiblemente ejecutar código arbitrario a través de una solicitud HTTP con un número grande de cabeceras de cookies. • http://downloads.asterisk.org/pub/security/AST-2014-001-1.8.diff http://downloads.asterisk.org/pub/security/AST-2014-001.html http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130400.html http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130426.html http://www.mandriva.com/security/advisories?name=MDVSA-2014:078 http://www.securityfocus.com/bid/66093 https://issues.asterisk.org/jira/browse/ASTERISK-23340 • CWE-20: Improper Input Validation •

CVSS: 6.0EPSS: 0%CPEs: 144EXPL: 0

channels/chan_iax2.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asterisk 1.8.11 before 1.8.11-cert7, Asterisk Digiumphones 10.x.x-digiumphones before 10.7.1-digiumphones, and Asterisk Business Edition C.3.x before C.3.7.6 does not enforce ACL rules during certain uses of peer credentials, which allows remote authenticated users to bypass intended outbound-call restrictions by leveraging the availability of these credentials. channels/chan_iax2.c en Asterisk Open Source v1.8.x antes de v1.8.15.1 y v10.x antes de v10.7.1, Certified Asterisk v1.8.11-1.8.11 antes de cert7, Digiumphones Asterisk v10.xx-digiumphones antes de v10.7.1-digiumphones y Asterisk Business Edition C.3.x antes de C.3.7.6 no hace cumplir las reglas de ACL durante ciertos usos del par de credenciales, lo que permite a usuarios remotos autenticados eludir las restricciones de llamadas de salida aprovechándose de la disponibilidad de estas credenciales. • http://downloads.asterisk.org/pub/security/AST-2012-013.html http://secunia.com/advisories/50687 http://secunia.com/advisories/50756 http://www.debian.org/security/2012/dsa-2550 http://www.securityfocus.com/bid/55335 http://www.securitytracker.com/id?1027461 • CWE-264: Permissions, Privileges, and Access Controls •