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

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CVE-2011-1175

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
31/03/2011
Last modified:
11/04/2025

Description

tcptls.c in the TCP/TLS server in Asterisk Open Source 1.6.1.x before 1.6.1.23, 1.6.2.x before 1.6.2.17.1, and 1.8.x before 1.8.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by establishing many short TCP sessions to services that use a certain TLS API.

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:1.6.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1:beta1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1:beta2:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1:beta3:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1:beta4:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1:rc1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1.0:rc2:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1.0:rc3:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1.0:rc4:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1.0:rc5:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1.2:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1.3:rc1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.1.4:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools