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

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CVE-2011-1507

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
27/04/2011
Last modified:
11/04/2025

Description

Asterisk Open Source 1.4.x before 1.4.40.1, 1.6.1.x before 1.6.1.25, 1.6.2.x before 1.6.2.17.3, and 1.8.x before 1.8.3.3 and Asterisk Business Edition C.x.x before C.3.6.4 do not restrict the number of unauthenticated sessions to certain interfaces, which allows remote attackers to cause a denial of service (file descriptor exhaustion and disk space exhaustion) via a series of TCP connections.

Impact

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

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:digium:asterisk:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.0:beta1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.0:beta2:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.0:beta3:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.0:beta4:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.10:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.10.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.11:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.12:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.12.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.13:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.4.14:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools