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CVSS: 7.5EPSS: 1%CPEs: 206EXPL: 0

04 Jan 2013 — Asterisk Open Source 1.8.x before 1.8.19.1, 10.x before 10.11.1, and 11.x before 11.1.2; Certified Asterisk 1.8.11 before 1.8.11-cert10; and Asterisk Digiumphones 10.x-digiumphones before 10.11.1-digiumphones, when anonymous calls are enabled, allow remote attackers to cause a denial of service (resource consumption) by making anonymous calls from multiple sources and consequently adding many entries to the device state cache. Asterisk Open Source v1.8.x anteriores a v1.8.19.1, v10.x anteriores a v10.11.1, ... • http://downloads.asterisk.org/pub/security/AST-2012-015 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 7.5EPSS: 56%CPEs: 206EXPL: 0

04 Jan 2013 — Multiple stack consumption vulnerabilities in Asterisk Open Source 1.8.x before 1.8.19.1, 10.x before 10.11.1, and 11.x before 11.1.2; Certified Asterisk 1.8.11 before 1.8.11-cert10; and Asterisk Digiumphones 10.x-digiumphones before 10.11.1-digiumphones allow remote attackers to cause a denial of service (daemon crash) via TCP data using the (1) SIP, (2) HTTP, or (3) XMPP protocol. Multiples vulnerabilidades de consumo en Asterisk Open Source v1.8.x anteriores a v1.8.19.1, v10.x anteriores a v10.11.1, y v1... • http://downloads.asterisk.org/pub/security/AST-2012-014 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 9.8EPSS: 19%CPEs: 15EXPL: 0

20 Jan 2011 — 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, ... • http://downloads.asterisk.org/pub/security/AST-2011-001-1.6.2.diff • CWE-787: Out-of-bounds Write •

CVSS: 7.5EPSS: 0%CPEs: 126EXPL: 1

23 Feb 2010 — The design of the dialplan functionality in Asterisk Open Source 1.2.x, 1.4.x, and 1.6.x; and Asterisk Business Edition B.x.x and C.x.x, when using the ${EXTEN} channel variable and wildcard pattern matches, allows context-dependent attackers to inject strings into the dialplan using metacharacters that are injected when the variable is expanded, as demonstrated using the Dial application to process a crafted SIP INVITE message that adds an unintended outgoing channel leg. NOTE: it could be argued that this... • http://downloads.digium.com/pub/security/AST-2010-002.html •

CVSS: 7.5EPSS: 13%CPEs: 220EXPL: 5

02 Dec 2009 — rtp.c in Asterisk Open Source 1.2.x before 1.2.37, 1.4.x before 1.4.27.1, 1.6.0.x before 1.6.0.19, and 1.6.1.x before 1.6.1.11; Business Edition B.x.x before B.2.5.13, C.2.x.x before C.2.4.6, and C.3.x.x before C.3.2.3; and s800i 1.3.x before 1.3.0.6 allows remote attackers to cause a denial of service (daemon crash) via an RTP comfort noise payload with a long data length. rtp.c en Asterisk Open Source v1.2.x anterior a v1.2.37, v1.4.x anterior a v1.4.27.1, v1.6.0.x anterior a v1.6.0.19, y v1.6.1.x anterio... • http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt •

CVSS: 5.3EPSS: 1%CPEs: 215EXPL: 0

10 Nov 2009 — 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 Diges... • http://downloads.asterisk.org/pub/security/AST-2009-008.html • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 7.8EPSS: 71%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: 7.8EPSS: 2%CPEs: 9EXPL: 1

12 Aug 2009 — The SIP channel driver in Asterisk Open Source 1.2.x before 1.2.34, 1.4.x before 1.4.26.1, 1.6.0.x before 1.6.0.12, and 1.6.1.x before 1.6.1.4; Asterisk Business Edition A.x.x, B.x.x before B.2.5.9, C.2.x before C.2.4.1, and C.3.x before C.3.1; and Asterisk Appliance s800i 1.2.x before 1.3.0.3 does not use a maximum width when invoking sscanf style functions, which allows remote attackers to cause a denial of service (stack memory consumption) via SIP packets containing large sequences of ASCII decimal char... • http://downloads.digium.com/pub/security/AST-2009-005.html • CWE-770: Allocation of Resources Without Limits or Throttling •

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: 7.8EPSS: 23%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 •