13 results (0.030 seconds)

CVSS: 5.0EPSS: 0%CPEs: 235EXPL: 0

The SIP channel driver in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; Asterisk Business Edition (BE) C.3.x before C.3.8.1; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones exhibits different behavior for invalid INVITE, SUBSCRIBE, and REGISTER transactions depending on whether the user account exists, which allows remote attackers to enumerate account names by (1) reading HTTP status codes, (2) reading additional text in a 403 (aka Forbidden) response, or (3) observing whether certain retransmissions occur. El controlador del canal SIP en Asterisk Open Source v1.8.x antes de v1.8.20.2, v10.x antes v10.12.2 y v11.2.2 anterior a v11.x; Certified Asterisk v1.8.15 antes v1.8.15-cert2, Asterisk Business Edition (BE) vC.3.x antes vC.3.8.1 y Digiumphones Asterisk 10.x-digiumphones antes v10.12.2-digiumphones muestra un comportamiento diferente para transacciones INVITE, SUBSCRIBE y REGISTER inválidas en función de si la cuenta de usuario existe, lo que permite a atacantes remotos para enumerar los nombres de cuenta de (1) los códigos de estado HTTP de lectura, (2) la lectura de un texto adicional en un 403 (también conocido como Forbidden) respuesta, o (3) observando si se producen ciertas retransmisiones. • http://downloads.asterisk.org/pub/security/AST-2013-003.html https://issues.asterisk.org/jira/browse/ASTERISK-21013 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 9.0EPSS: 1%CPEs: 117EXPL: 0

Incomplete blacklist vulnerability in main/manager.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-cert6, Asterisk Digiumphones 10.x.x-digiumphones before 10.7.1-digiumphones, and Asterisk Business Edition C.3.x before C.3.7.6 allows remote authenticated users to execute arbitrary commands by leveraging originate privileges and providing an ExternalIVR value in an AMI Originate action. Vulnerabilidad de lista negra incompleta en main/manager.c en Asterisk Open Source v1.8.x antes de v1.8.15.1 y v10.x antes de v10.7.1, Certified Asterisk v1.8.11-8.1.11 antes de cert6, Digiumphones Asterisk v10.xx-digiumphones antes de v10.7.1-digiumphones y Asterisk Business Edition C.3.x antes de C.3.7.6 permite a usuarios remotos autenticados ejecutar comandos de su elección aprovechándose de los privilegios de origen y proporcionando un valor ExternalIVR en una acción IAM Originate. • http://downloads.asterisk.org/pub/security/AST-2012-012.html http://secunia.com/advisories/50687 http://secunia.com/advisories/50756 http://www.debian.org/security/2012/dsa-2550 http://www.securitytracker.com/id?1027460 •

CVSS: 5.0EPSS: 0%CPEs: 150EXPL: 0

IAX2 in Asterisk Open Source 1.2.x before 1.2.31, 1.4.x before 1.4.23-rc4, and 1.6.x before 1.6.0.3-rc2; Business Edition A.x.x, B.x.x before B.2.5.7, C.1.x.x before C.1.10.4, and C.2.x.x before C.2.1.2.1; and s800i 1.2.x before 1.3.0 responds differently to a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames. IAX2 en Asterisk Open Source v1.2.x anterior a v1.2.31, v1.4.x anterior a v1.4.23-rc4, y v1.6.x anterior a v1.6.0.3-rc2; Business Edition A.x.x, B.x.x anterior a B.2.5.7, C.1.x.x anterior a C.1.10.4, y C.2.x.x anterior a C.2.1.2.1; y s800i 1.2.x anterior a v1.3.0 responden de manera distinta ante un intento de acceso fallido dependiendo de si la cuenta de usuario existe, lo que permite a atacantes remotos listar nombres de usuario válidos. • http://downloads.digium.com/pub/security/AST-2009-001.html http://secunia.com/advisories/33453 http://secunia.com/advisories/34982 http://secunia.com/advisories/37677 http://security.gentoo.org/glsa/glsa-200905-01.xml http://securityreason.com/securityalert/4910 http://www.debian.org/security/2009/dsa-1952 http://www.securityfocus.com/archive/1/499884/100/0/threaded http://www.securityfocus.com/bid/33174 http://www.securitytracker.com/id?1021549 http://www.vupen.com/e • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 4.3EPSS: 7%CPEs: 17EXPL: 0

Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows remote attackers to cause a denial of service (crash) via authentication attempts involving (1) an unknown user or (2) a user using hostname matching. Asterisk Open Source 1.2.26 hasta 1.2.30.3 y Business Edition B.2.3.5 hasta B.2.5.5, cuando los usuarios realtime IAX2 son habilitados, permite a los atacantes remotos causar una denegación de servicio (caída) a través de intentos de autenticación relativos a (1) usuarios desconocidos o (2) usuarios que usan hostname coincidentes. • http://downloads.digium.com/pub/security/AST-2008-012.html http://osvdb.org/50675 http://secunia.com/advisories/32956 http://secunia.com/advisories/34982 http://security.gentoo.org/glsa/glsa-200905-01.xml http://securityreason.com/securityalert/4769 http://www.securityfocus.com/archive/1/499117/100/0/threaded http://www.securityfocus.com/bid/32773 http://www.securitytracker.com/id?1021378 http://www.vupen.com/english/advisories/2008/3403 • CWE-287: Improper Authentication •

CVSS: 7.8EPSS: 8%CPEs: 122EXPL: 0

The FWDOWNL firmware-download implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (traffic amplification) via an IAX2 FWDOWNL request. La implementación FWDOWNL firmware-download en Asterisk Open Source 1.0.x, 1.2.x antes de 1.2.30 y 1.4.x antes de 1.4.21.2; Business Edition A.x.x, B.x.x antes de B.2.5.4 y C.x.x antes de C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; y s800i 1.0.x antes de 1.2.0.1 permite a atacantes remotos provocar una denegación de servicio (amplificación del tráfico) mediante una petición IAX2 FWDOWNL. • http://downloads.digium.com/pub/security/AST-2008-011.html http://secunia.com/advisories/31178 http://secunia.com/advisories/31194 http://secunia.com/advisories/34982 http://security.gentoo.org/glsa/glsa-200905-01.xml http://www.securityfocus.com/archive/1/494676/100/0/threaded http://www.securityfocus.com/bid/30350 http://www.securitytracker.com/id?1020536 http://www.vupen.com/english/advisories/2008/2168/references https://exchange.xforce.ibmcloud.com/vulnerabilities/43955 https • CWE-287: Improper Authentication •