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CVSS: 4.3EPSS: 6%CPEs: 5EXPL: 0

Stack-based buffer overflow in the milliwatt_generate function in the Miliwatt application in Asterisk 1.4.x before 1.4.44, 1.6.x before 1.6.2.23, 1.8.x before 1.8.10.1, and 10.x before 10.2.1, when the o option is used and the internal_timing option is off, allows remote attackers to cause a denial of service (application crash) via a large number of samples in an audio packet. Vulnerabilidad de desboramiento de buffer basado en memoria dinámica en la función milliwatt_generate en main/utils.c en Asterisk Asterisk v1.4.x antes de v1.4.44, v1.6.x antes de v1.6.2.23, v1.8.x antes de v1.8.10.1, and v10.x antes de v10.2.1, permite a atacantes remotos provocar una denegación de servicio (caída de la aplicación) o posiblemente ejecutar código de su elección a través de una gran número de muestras en un paquete de audio. • http://archives.neohapsis.com/archives/bugtraq/2012-03/0069.html http://downloads.asterisk.org/pub/security/AST-2012-002-1.8.diff http://downloads.asterisk.org/pub/security/AST-2012-002.pdf http://osvdb.org/80125 http://secunia.com/advisories/48417 http://secunia.com/advisories/48941 http://securitytracker.com/id?1026812 http://www.asterisk.org/node/51797 http://www.debian.org/security/2012/dsa-2460 http://www.openwall.com/lists/oss-security/2012/03/16/10 http: • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.5EPSS: 96%CPEs: 81EXPL: 1

Stack-based buffer overflow in the ast_parse_digest function in main/utils.c in Asterisk 1.8.x before 1.8.10.1 and 10.x before 10.2.1 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in an HTTP Digest Authentication header. Vulnerabilidad de desboramiento de buffer basado en memoria dinámica en la función ast_parse_digest en main/utils.c en Asterisk v1.8.x antes de v1.8.10.1 y v10.x antes de v10.2.1, permite a atacantes remotos provocar una denegación de servicio (caída) o posiblemente ejecutar código de su elección a través de una cadena larga en una cabecera HTTP Digest Authentication • https://www.exploit-db.com/exploits/18855 http://downloads.asterisk.org/pub/security/AST-2012-003-1.8.diff http://downloads.asterisk.org/pub/security/AST-2012-003.pdf http://osvdb.org/80126 http://secunia.com/advisories/48417 http://www.asterisk.org/node/51797 http://www.openwall.com/lists/oss-security/2012/03/16/10 http://www.openwall.com/lists/oss-security/2012/03/16/17 http://www.securitytracker.com/id?1026813 https://exchange.xforce.ibmcloud.com/vulnerabili • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 4.3EPSS: 4%CPEs: 80EXPL: 0

The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests. La función handle_request_info en el archivo channels/chan_sip.c en Open Source de Asterisk versiones 1.6.2.x anteriores a 1.6.2.21 y versiones 1.8.x anteriores a 1.8.7.2, cuando automon está habilitado, permite a los atacantes remotos causar una denegación de servicio (desreferencia del puntero NULL y bloqueo del demonio) por medio de una secuencia diseñada de peticiones SIP. • http://downloads.asterisk.org/pub/security/AST-2011-014.html http://openwall.com/lists/oss-security/2011/12/09/3 http://openwall.com/lists/oss-security/2011/12/09/4 http://osvdb.org/77598 http://secunia.com/advisories/47273 http://www.debian.org/security/2011/dsa-2367 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 5.0EPSS: 1%CPEs: 208EXPL: 0

The SIP over UDP implementation in Asterisk Open Source 1.4.x before 1.4.43, 1.6.x before 1.6.2.21, and 1.8.x before 1.8.7.2 uses different port numbers for responses to invalid requests depending on whether a SIP username exists, which allows remote attackers to enumerate usernames via a series of requests. La implementación de SIP sobre UDP de Asterisk Open Source 1.4.x anteriores a 1.4.43, 1.6.x anteriores a 1.6.2.21, y 1.8.x anteriores a 1.8.7.2 utiliza diferentes números de puertos para respuestas a peticiones inválidas dependiendo de si el nombre de usuario SIP existe, lo que permite a atacantes remotos enumerar nombres de usuario a través de series de peticiones. • http://archives.neohapsis.com/archives/bugtraq/2011-12/0151.html http://downloads.asterisk.org/pub/security/AST-2011-013.html http://lists.digium.com/pipermail/asterisk-dev/2011-November/052191.html http://openwall.com/lists/oss-security/2011/12/09/3 http://openwall.com/lists/oss-security/2011/12/09/4 http://osvdb.org/77597 http://secunia.com/advisories/47273 http://www.debian.org/security/2011/dsa-2367 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

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 •