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CVSS: 5.3EPSS: 0%CPEs: 235EXPL: 0

29 Mar 2013 — 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)... • http://downloads.asterisk.org/pub/security/AST-2013-003.html • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 7.5EPSS: 2%CPEs: 232EXPL: 0

29 Mar 2013 — main/http.c in the HTTP server 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; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones does not properly restrict Content-Length values, which allows remote attackers to conduct stack-consumption attacks and cause a denial of service (daemon crash) via a crafted HTTP POST request. NOTE: this vulnerability exists because of an incorrect fix for CVE-2012-59... • http://downloads.asterisk.org/pub/security/AST-2013-002.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

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

31 Aug 2012 — 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 ... • http://downloads.asterisk.org/pub/security/AST-2012-012.html •

CVSS: 6.5EPSS: 3%CPEs: 72EXPL: 0

02 Jun 2012 — chan_skinny.c in the Skinny (aka SCCP) channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by closing a connection in off-hook mode. chan_skinny.c en el controlador de canal de Skinny (alias SCCP) en Certified Asterisk 1.8.11-cert antes de v1.8.11-cert2 y Asterisk Open Source v1.8.x antes de v1.8.12.1 y v10.x antes d... • http://archives.neohapsis.com/archives/bugtraq/2012-05/0145.html • CWE-399: Resource Management Errors •

CVSS: 7.5EPSS: 3%CPEs: 53EXPL: 0

04 Feb 2010 — Asterisk Open Source 1.6.0.x before 1.6.0.22, 1.6.1.x before 1.6.1.14, and 1.6.2.x before 1.6.2.2, and Business Edition C.3 before C.3.3.2, allows remote attackers to cause a denial of service (daemon crash) via an SIP T.38 negotiation with an SDP FaxMaxDatagram field that is (1) missing, (2) modified to contain a negative number, or (3) modified to contain a large number. Asterisk Open Source v1.6.0.x anterior v1.6.0.22, v1.6.1.x anterior v1.6.1.14, y v1.6.2.x anterior v1.6.2.2, y Business Edition vC.3 ant... • http://downloads.asterisk.org/pub/security/AST-2010-001-1.6.0.diff • CWE-20: Improper Input Validation •

CVSS: 7.8EPSS: 0%CPEs: 192EXPL: 0

08 Sep 2009 — The IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.1.6; Business Edition B.x.x before B.2.5.10, C.2.x before C.2.4.3, and C.3.x before C.3.1.1; and s800i 1.3.x before 1.3.0.3 allows remote attackers to cause a denial of service (call-number exhaustion) by initiating many IAX2 message exchanges, a related issue to CVE-2008-3263. La implementación del protocolo IAX2 en Asterisk Open Source v1.2.x antes de v1.2.35... • http://downloads.asterisk.org/pub/security/AST-2009-006.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 5.3EPSS: 0%CPEs: 150EXPL: 0

14 Jan 2009 — 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; Bus... • http://downloads.digium.com/pub/security/AST-2009-001.html • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 7.5EPSS: 2%CPEs: 17EXPL: 0

17 Dec 2008 — 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 int... • http://downloads.digium.com/pub/security/AST-2008-012.html • CWE-287: Improper Authentication •

CVSS: 7.8EPSS: 11%CPEs: 122EXPL: 0

24 Jul 2008 — 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 E... • http://downloads.digium.com/pub/security/AST-2008-011.html • CWE-287: Improper Authentication •

CVSS: 7.8EPSS: 50%CPEs: 108EXPL: 3

22 Jul 2008 — The IAX2 protocol 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 (call-number exhaustion and CPU consumption) by quickly sending a large number of IAX2 (IAX) POKE requests. La implementación del protocolo IAX2 en Asterisk Open Source versiones 1.0.x, versiones 1.2... • https://www.exploit-db.com/exploits/32095 • CWE-399: Resource Management Errors •