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CVSS: 5.0EPSS: 97%CPEs: 36EXPL: 1

The Skinny channel driver (chan_skinny) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a certain data length value in a crafted packet, which results in an "overly large memcpy." El controlador de canal Skinny (chan_skinny) en Asterisk anterior a 1.2.22 y 1.4.x anterior a 1.4.8, Business Edition anterior a B.2.2.1, AsteriskNOW anterior a la beta7, Appliance Developer Kit anterior a 0.5.0, y s800i anterior a 1.0.2 permite a atacantes remotos provocar denegación de servicio (caida) a través de ciertos valores de longitudes de datos en un paquete manipulado, lo cual deriva en un "copia de memoria demasiado larga". • https://www.exploit-db.com/exploits/4196 http://bugs.gentoo.org/show_bug.cgi?id=185713 http://ftp.digium.com/pub/asa/ASA-2007-016.pdf http://secunia.com/advisories/26099 http://secunia.com/advisories/29051 http://security.gentoo.org/glsa/glsa-200802-11.xml http://www.debian.org/security/2007/dsa-1358 http://www.novell.com/linux/security/advisories/2007_15_sr.html http://www.securityfocus.com/bid/24950 http://www.securitytracker.com/id?1018407 http://www •

CVSS: 5.0EPSS: 95%CPEs: 36EXPL: 1

The IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to cause a denial of service (crash) via a crafted (1) LAGRQ or (2) LAGRP frame that contains information elements of IAX frames, which results in a NULL pointer dereference when Asterisk does not properly set an associated variable. El gestor de dispositivo de canal IAX2 (chan_iax2) en Asterisk versiones anteriores a 1.2.22 y 1.4.x versiones anteriores a 1.4.8, Business Edition versiones anteriores a B.2.2.1, AsteriskNOW versiones anteriores a beta7, Appliance Developer Kit versiones anteriores a 0.5.0, y s800i versiones anteriores a 1.0.2 permite a atacantes remotos provocar una denegación de servicio (caída) mediante tramas (1) LAGRQ ó (2) LAGRP que contienen elementos de información de tramas IAX, que resulta en una referencia a puntero NULL cuando Asterisk no asigna apropiadamente una variable asociado. • https://www.exploit-db.com/exploits/4249 http://bugs.gentoo.org/show_bug.cgi?id=185713 http://ftp.digium.com/pub/asa/ASA-2007-015.pdf http://secunia.com/advisories/26099 http://secunia.com/advisories/29051 http://security.gentoo.org/glsa/glsa-200802-11.xml http://www.debian.org/security/2007/dsa-1358 http://www.novell.com/linux/security/advisories/2007_15_sr.html http://www.securityfocus.com/bid/24950 http://www.securitytracker.com/id?1018407 http://www •

CVSS: 9.3EPSS: 18%CPEs: 36EXPL: 0

Stack-based buffer overflow in the IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1, AsteriskNOW before beta7, Appliance Developer Kit before 0.5.0, and s800i before 1.0.2 allows remote attackers to execute arbitrary code by sending a long (1) voice or (2) video RTP frame. Desbordamiento de búfer basado en pila en el controlador de canal IAX2 (chan_iax2) de Asterisk anterior a 1.2.22 y 1.4.x anterior a 1.4.8, Business Edition anterior a B.2.2.1, AsteriskNOW anterior a beta7, Appliance Developer Kit anterior a 0.5.0, y s800i anterior a 1.0.2 permite a atacantes remotos ejecutar código de su elección enviando una trama RTP larga de (1) voz o (2) vídeo. • http://bugs.gentoo.org/show_bug.cgi?id=185713 http://ftp.digium.com/pub/asa/ASA-2007-014.pdf http://secunia.com/advisories/26099 http://secunia.com/advisories/29051 http://security.gentoo.org/glsa/glsa-200802-11.xml http://www.debian.org/security/2007/dsa-1358 http://www.novell.com/linux/security/advisories/2007_15_sr.html http://www.securityfocus.com/bid/24949 http://www.securitytracker.com/id?1018407 http://www.vupen.com/english/advisories/2007/2563 https:&# •

CVSS: 10.0EPSS: 7%CPEs: 1EXPL: 0

The IAX2 channel driver (chan_iax2) in Asterisk before 20070504 does not properly null terminate data, which allows remote attackers to trigger loss of transmitted data, and possibly obtain sensitive information (memory contents) or cause a denial of service (application crash), by sending a frame that lacks a 0 byte. El controlador del canal IAX2 (chan_iax2) en Asterisk anterior a 20070504 no anula correctamente los datos terminales, lo cual permite a atacantes remotos disparar la pérdida de datos transmitidos, y posiblemente obtener información sensible (contenido de memoria) o provocar denegación de servicio (caida de aplicación), enviando un marco que carece 0 bytes. • http://ftp.digium.com/pub/asa/ASA-2007-013.pdf http://osvdb.org/35769 http://secunia.com/advisories/25134 http://secunia.com/advisories/25582 http://www.debian.org/security/2007/dsa-1358 http://www.novell.com/linux/security/advisories/2007_34_asterisk.html http://www.securityfocus.com/bid/23824 http://www.vupen.com/english/advisories/2007/1661 https://exchange.xforce.ibmcloud.com/vulnerabilities/34085 •

CVSS: 7.6EPSS: 95%CPEs: 3EXPL: 3

Multiple stack-based buffer overflows in the process_sdp function in chan_sip.c of the SIP channel T.38 SDP parser in Asterisk before 1.4.3 allow remote attackers to execute arbitrary code via a long (1) T38FaxRateManagement or (2) T38FaxUdpEC SDP parameter in an SIP message, as demonstrated using SIP INVITE. Múltiples desbordamientos de búfer basados en pila en la función process_sdp del chan_sip.c en el en el analizador sintáctico SIP channel T.38 del Asterisk, anterior al 1.4.3. permiten a atacantes remotos ejecutar código de su elección mediante un parámetro largo (1) T38FaxRateManagement o (2) T38FaxUdpEC SDP en el mensaje SIP, como lo demostrado usando SIP INVITE. • https://www.exploit-db.com/exploits/29900 https://www.exploit-db.com/exploits/29901 http://secunia.com/advisories/24977 http://securityreason.com/securityalert/2645 http://www.asterisk.org/files/ASA-2007-010.pdf http://www.osvdb.org/35368 http://www.securityfocus.com/archive/1/466883/100/0/threaded http://www.securityfocus.com/archive/1/472804/100/0/threaded http://www.securityfocus.com/bid/23648 http://www.securitytracker.com/id?1017951 http://www.securitytracker.com •