Vulnerability in Asterisk Appliance Developer Kit
CVE-2008-1923
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.1 (High). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.014 (71.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Asterisk Appliance Developer Kit
- Asterisk Business Edition — versions a, b.1.3.2, b.1.3.3
- Asterisk Asterisknow — versions 1.0, 1.0.1
- Asterisk Open Source — versions 1.0, 1.0.0, 1.0.1
- Asterisk S800i — versions 1.0, 1.0.1, 1.0.2