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

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CVE-2010-1224

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
01/04/2010
Last modified:
11/04/2025

Description

main/acl.c in Asterisk Open Source 1.6.0.x before 1.6.0.25, 1.6.1.x before 1.6.1.17, and 1.6.2.x before 1.6.2.5 does not properly enforce remote host access controls when CIDR notation "/0" is used in permit= and deny= configuration rules, which causes an improper arithmetic shift and might allow remote attackers to bypass ACL rules and access services from unauthorized hosts.

Impact

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

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

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

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:digium:asterisk:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.3:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.5:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.6:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.7:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.8:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.9:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.10:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.12:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.13:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.14:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.15:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.6.0.16:rc1:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools