
CVE-2008-1923
https://notcve.org/view.php?id=CVE-2008-1923
23 Apr 2008 — The IAX2 channel driver (chan_iax2) in Asterisk 1.2 before revision 72630 and 1.4 before revision 65679, when configured to allow unauthenticated calls, sends "early audio" to an unverified source IP address of a NEW message, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed NEW message. El IAX2 channel driver (chan_iax2) en Asterisk 1.2 anterior a la revisión 72630 y 1.4 anterior a la revisión 65679, cuando está configurado para permitir llamadas sin autentica... • http://bugs.digium.com/view.php?id=10078 • CWE-16: Configuration •

CVE-2008-1897
https://notcve.org/view.php?id=CVE-2008-1897
23 Apr 2008 — The IAX2 channel driver (chan_iax2) in Asterisk Open Source 1.0.x, 1.2.x before 1.2.28, and 1.4.x before 1.4.19.1; Business Edition A.x.x, B.x.x before B.2.5.2, and C.x.x before C.1.8.1; AsteriskNOW before 1.0.3; Appliance Developer Kit 0.x.x; and s800i before 1.1.0.3, when configured to allow unauthenticated calls, does not verify that an ACK response contains a call number matching the server's reply to a NEW message, which allows remote attackers to cause a denial of service (traffic amplification) via a... • http://bugs.digium.com/view.php?id=10078 • CWE-287: Improper Authentication •

CVE-2008-1289 – Asterisk 1.4.x - RTP Codec Payload Handling Multiple Buffer Overflow Vulnerabilities
https://notcve.org/view.php?id=CVE-2008-1289
24 Mar 2008 — Multiple buffer overflows in Asterisk Open Source 1.4.x before 1.4.18.1 and 1.4.19-rc3, Open Source 1.6.x before 1.6.0-beta6, Business Edition C.x.x before C.1.6.1, AsteriskNOW 1.0.x before 1.0.2, Appliance Developer Kit before 1.4 revision 109386, and s800i 1.1.x before 1.1.0.2 allow remote attackers to (1) write a zero to an arbitrary memory location via a large RTP payload number, related to the ast_rtp_unset_m_type function in main/rtp.c; or (2) write certain integers to an arbitrary memory location via... • https://www.exploit-db.com/exploits/31440 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2008-1332
https://notcve.org/view.php?id=CVE-2008-1332
20 Mar 2008 — Unspecified vulnerability in Asterisk Open Source 1.2.x before 1.2.27, 1.4.x before 1.4.18.1 and 1.4.19-rc3; Business Edition A.x.x, B.x.x before B.2.5.1, and C.x.x before C.1.6.2; AsteriskNOW 1.0.x before 1.0.2; Appliance Developer Kit before 1.4 revision 109393; and s800i 1.0.x before 1.1.0.2; allows remote attackers to access the SIP channel driver via a crafted From header. Vulnerabilidad no especificada en Asterisk Open Source versiones 1.2.x anteriores a 1.2.27, 1.4.x anteriores a 1.4.18.1 y 1.4.19-rc... • http://downloads.digium.com/pub/security/AST-2008-003.html • CWE-264: Permissions, Privileges, and Access Controls •