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

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CVE-2013-2686

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

Description

main/http.c in the HTTP server in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones does not properly restrict Content-Length values, which allows remote attackers to conduct stack-consumption attacks and cause a denial of service (daemon crash) via a crafted HTTP POST request. NOTE: this vulnerability exists because of an incorrect fix for CVE-2012-5976.

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:asterisk:open_source:1.8.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.0:beta1:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.0:beta2:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.0:beta3:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.0:beta4:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.0:beta5:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.0:rc2:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.0:rc3:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.0:rc4:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.0:rc5:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.1:rc1:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.1.1:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.1.2:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:open_source:1.8.2:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools