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CVSS: 4.3EPSS: 0%CPEs: 13EXPL: 0

The Publish/Subscribe Framework in the PJSIP channel driver in Asterisk Open Source 12.x before 12.3.1, when sub_min_expiry is set to zero, allows remote attackers to cause a denial of service (assertion failure and crash) via an unsubscribe request when not subscribed to the device. El Framework Publish/Subscribe en el controlador de canales PJSIP en Asterisk Open Source 12.x anterior a 12.3.1, cuando sub_min_expiry esté configurado a cero, permite a atacantes remotos causar una denegación de servicio (fallo de aserción y caída) a través de una solicitud UNSUBSCRIBE cuando no está suscrito al dispositivo. • http://downloads.asterisk.org/pub/security/AST-2014-005.html http://packetstormsecurity.com/files/127087/Asterisk-Project-Security-Advisory-AST-2014-005.html http://www.securityfocus.com/archive/1/532414/100/0/threaded • CWE-189: Numeric Errors •

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 •