7 results (0.010 seconds)

CVSS: 6.8EPSS: 93%CPEs: 203EXPL: 0

Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type and (2) udptl_rx_packet functions in main/udptl.c in Asterisk Open Source 1.4.x before 1.4.39.2, 1.6.1.x before 1.6.1.22, 1.6.2.x before 1.6.2.16.2, and 1.8 before 1.8.2.4; Business Edition C.x.x before C.3.6.3; AsteriskNOW 1.5; and s800i (Asterisk Appliance), when T.38 support is enabled, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UDPTL packet. Múltiples desbordamientos de búfer en las funciones (1) decode_open_type y (2) udptl_rx_packet en main/udptl.c en Asterisk Open Source v1.4.x anterior a v1.4.39.2, v1.6.1.x antes de v1.6.1.22, v1.6.2.x antes de v1.6.2.16.2, y v1.8 antes de v1.8.2.4; Business Edition vC.x.x antes de vC.3.6.3; AsteriskNOW v1.5; y s800i (Asterisk Appliance), cuando el soporte T.38 está activo, permite a atacantes remotos provocar una denegación de servicio (caída) y posiblemente ejecutar código de su elección a través de un paquete UDPTL manipulado • http://downloads.asterisk.org/pub/security/AST-2011-002.html http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055030.html http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055421.html http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055634.html http://secunia.com/advisories/43429 http://secunia.com/advisories/43702 http://www.debian.org/security/2011/dsa-2225 http://www.openwall.com/lists/oss-security/2011/03/11/2 http://www • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 6.0EPSS: 3%CPEs: 15EXPL: 0

Stack-based buffer overflow in the ast_uri_encode function in main/utils.c in Asterisk Open Source before 1.4.38.1, 1.4.39.1, 1.6.1.21, 1.6.2.15.1, 1.6.2.16.1, 1.8.1.2, 1.8.2.; and Business Edition before C.3.6.2; when running in pedantic mode allows remote authenticated users to execute arbitrary code via crafted caller ID data in vectors involving the (1) SIP channel driver, (2) URIENCODE dialplan function, or (3) AGI dialplan function. Desbordamiento de búfer basado en pila en la función ast_uri_encode, en main/utils.c, en Asterisk Open Source before v.1.4.38.1, v.1.4.39.1, v.1.6.1.21, v.1.6.2.15.1, v.1.6.2.16.1, v.1.8.1.2, v.1.8.2.; y Business Edition before v.C.3.6.2; cuando se ejecuta en modo "pedantic" permite a usuarios autenticados ejectuar código de su elección manipulados con el dato llamador ID en vectores que involucran el (1) el driver del SIP, (2) la función URIENCODE dialplan, o la función AGI dialplan. • http://downloads.asterisk.org/pub/security/AST-2011-001-1.6.2.diff http://downloads.asterisk.org/pub/security/AST-2011-001.html http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053689.html http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053713.html http://osvdb.org/70518 http://secunia.com/advisories/42935 http://secunia.com/advisories/43119 http://secunia.com/advisories/43373 http://www.debian.org/security/2011/dsa-2171 http://www&# • CWE-787: Out-of-bounds Write •

CVSS: 5.0EPSS: 1%CPEs: 215EXPL: 0

Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.3, 1.6.0.x before 1.6.0.17, and 1.6.1.x before 1.6.1.9; Business Edition A.x.x, B.x.x before B.2.5.12, C.2.x.x before C.2.4.5, and C.3.x.x before C.3.2.2; AsteriskNOW 1.5; and s800i 1.3.x before 1.3.0.5 generate different error messages depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames via multiple crafted REGISTER messages with inconsistent usernames in the URI in the To header and the Digest in the Authorization header. Asterisk Open Source versión 1.2.x anterior a 1.2.35, versión 1.4.x anterior a 1.4.26.3, versión 1.6.0.x anterior a 1.6.0.17 y versión 1.6.1.x anterior a 1.6.1.9; Business Edition versión A.x.x, versión B.x.x anteriores a B.2.5.12, versión C.2.x.x anterior a C.2.4.5 y versión C.3.x.x anterior a C.3.2.2; AsteriskNOW versión 1.5; y s800i versión 1.3.x anterior a 1.3.0.5, causan diferentes mensajes de error dependiendo de si un nombre de usuario SIP sea válido, lo que permite a los atacantes remotos enumerar nombres de usuario válidos mediante múltiples mensajes de REGISTER creados con nombres de usuario inconsistentes en el URI en el encabezado To y el Digest en el encabezado Authorization. • http://downloads.asterisk.org/pub/security/AST-2009-008.html http://osvdb.org/59697 http://secunia.com/advisories/37265 http://secunia.com/advisories/37479 http://secunia.com/advisories/37677 http://www.debian.org/security/2009/dsa-1952 http://www.securityfocus.com/bid/36924 http://www.securitytracker.com/id?1023133 https://bugzilla.redhat.com/show_bug.cgi?id=523277 https://bugzilla.redhat.com/show_bug.cgi?id=533137 https://www.redhat.com/archives/fedora-package-announc • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 9.3EPSS: 3%CPEs: 40EXPL: 0

The AsteriskGUI HTTP server in Asterisk Open Source 1.4.x before 1.4.19-rc3 and 1.6.x before 1.6.0-beta6, Business Edition C.x.x before C.1.6, AsteriskNOW before 1.0.2, Appliance Developer Kit before revision 104704, and s800i 1.0.x before 1.1.0.2 generates insufficiently random manager ID values, which makes it easier for remote attackers to hijack a manager session via a series of ID guesses. El servidor AsteriskGUI HTTP en Asterisk Open Source 1.4.x antes de 1.4.19-rc3 y 1.6.x antes de 1.6.0-beta6, Business Edition C.x.x antes de C.1.6, AsteriskNOW antes de 1.0.2, Appliance Developer Kit antes de la revisión 104704 y s800i 1.0.x antes de 1.1.0.2 genera valores ID de gestión no lo suficientemente aleatorios, lo que facilita a atacantes remotos secuestrar una sesión de gestión a través de una serie de adivinaciones de ID. • http://downloads.digium.com/pub/security/AST-2008-005.html http://secunia.com/advisories/29449 http://secunia.com/advisories/29470 http://securityreason.com/securityalert/3764 http://www.securityfocus.com/archive/1/489819/100/0/threaded http://www.securityfocus.com/bid/28316 http://www.securitytracker.com/id?1019679 https://exchange.xforce.ibmcloud.com/vulnerabilities/41304 https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00438.html https://www.redhat.com/archives/ • CWE-255: Credentials Management Errors •

CVSS: 5.0EPSS: 95%CPEs: 5EXPL: 2

The SIP channel driver in Asterisk Open Source 1.4.x before 1.4.17, Business Edition before C.1.0-beta8, AsteriskNOW before beta7, Appliance Developer Kit before Asterisk 1.4 revision 95946, and Appliance s800i 1.0.x before 1.0.3.4 allows remote attackers to cause a denial of service (daemon crash) via a BYE message with an Also (Also transfer) header, which triggers a NULL pointer dereference. El controlador de canal SIP de Asterisk Open Source 1.4.x versiones anteriores a 1.4.17, Business Edition versiones anteriores a C.1.0-beta8, AsteriskNOW versiones anteriores a beta7, Appliance Developer Kit versiones anteriores a Asterisk 1.4 revision 95946, y Appliance s800i 1.0.x versiones anteriores a 1.0.3.4 permite a atacantes remotos provocar una denegación de servicio (cáida de demonio) mediante un mensaje BYE con una cabecera Also (tranfiere también), que dispara un referencia a puntero NULL. • https://www.exploit-db.com/exploits/30974 http://bugs.digium.com/view.php?id=11637 http://downloads.digium.com/pub/security/AST-2008-001.html http://secunia.com/advisories/28299 http://secunia.com/advisories/28312 http://securityreason.com/securityalert/3520 http://www.securityfocus.com/archive/1/485727/100/0/threaded http://www.securityfocus.com/bid/27110 http://www.securitytracker.com/id?1019152 http://www.vupen.com/english/advisories/2008/0019 https://exchange.xforce • CWE-399: Resource Management Errors •