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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 •

CVSS: 5.0EPSS: 39%CPEs: 195EXPL: 0

chan_iax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3, and Asterisk Business Edition C.3 before C.3.7.3, accesses a memory address contained in an option control frame, which allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a crafted frame. chan_iax2.c en el controlador de canal IAX2 en Asterisk Open Source v1.4.x anteriores a v1.4.41.1, v1.6.2.x anteriores a v1.6.2.18.1, y v1.8.x anteriores a v1.8.4.3, y Asterisk Business Edition vC.3 anteriores a vC.3.7.3, accede a una dirección de memoria contenida en un marco de control de opción, que permite a atacantes remotos causar una denegación de servicio (caída del demonio) o posiblemente tener un impacto no especificado a través de un marco manipulado. • http://downloads.asterisk.org/pub/security/AST-2011-010-1.8.diff http://downloads.asterisk.org/pub/security/AST-2011-010.html http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html http://secunia.com/advisories/44973 http://secunia.com/advisories/45048 http://secunia.com/advisories/45201 http://secunia.com/advisories/45239 http://securitytracker.com/id?1025708 http://www.debian.org/security/2011/dsa-2276 http://www.osvdb.org/73309 http://www.secu • CWE-20: Improper Input Validation •

CVSS: 5.0EPSS: 0%CPEs: 198EXPL: 0

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.4.x before 1.4.41.2, 1.6.2.x before 1.6.2.18.2, and 1.8.x before 1.8.4.4, and Asterisk Business Edition C.3.x before C.3.7.3, disregards the alwaysauthreject option and generates different responses for invalid SIP requests depending on whether the user account exists, which allows remote attackers to enumerate account names via a series of requests. chan_sip.c en el controlador de canal SIP en Asterisk Open Source v1.4.x anteriores a v1.4.41.2, v1.6.2.x anteriores a v1.6.2.18.2, y v1.8.x anteriores a v1.8.4.4, y Asterisk Business Edition vC.3.x anteriores a vC.3.7.3,no tiene en cuenta la opción alwaysauthreject y genera diferentes respuestas no válidas para solicitudes SIP en función de si la cuenta de usuario existe, lo que permite a atacantes remotos enumerar los nombres de cuenta a través de una serie de peticiones. • http://downloads.asterisk.org/pub/security/AST-2011-011-1.8.diff http://downloads.asterisk.org/pub/security/AST-2011-011.html http://www.securitytracker.com/id?1025734 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •