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

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CVE-2012-5977

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
04/01/2013
Last modified:
11/04/2025

Description

Asterisk Open Source 1.8.x before 1.8.19.1, 10.x before 10.11.1, and 11.x before 11.1.2; Certified Asterisk 1.8.11 before 1.8.11-cert10; and Asterisk Digiumphones 10.x-digiumphones before 10.11.1-digiumphones, when anonymous calls are enabled, allow remote attackers to cause a denial of service (resource consumption) by making anonymous calls from multiple sources and consequently adding many entries to the device state cache.

Impact

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

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

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

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* 1.8.19.0 (including)
cpe:2.3:a:digium:asterisk:1.8.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.0:beta1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.0:beta2:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.0:beta3:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.0:beta4:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.0:beta5:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.0:rc2:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.0:rc3:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.0:rc4:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.0:rc5:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.1:rc1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.1.1:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:1.8.1.2:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools