Upstream information

CVE-2008-1923 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 7.1
Vector AV:N/AC:M/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
SUSE Bugzilla entries: 383144 [RESOLVED / FIXED], 383284 [RESOLVED / DUPLICATE]

No SUSE Security Announcements cross referenced.

SUSE Timeline for this CVE

CVE page created: Fri Jun 28 03:54:27 2013
CVE page last modified: Mon Oct 6 18:15:17 2025