Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2008-3263

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
22/07/2008
Last modified:
09/04/2025

Description

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:asterisk:asterisk:0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.3:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.4:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.5:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.6:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.7:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.8:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.9:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.9_1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.10:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.11:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.1.12:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:asterisk:0.2:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools