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

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CVE-2016-2316

Severity CVSS v4.0:
Pending analysis
Type:
CWE-191 Integer Underflow (Wrap or Wraparound)
Publication date:
22/02/2016
Last modified:
12/04/2025

Description

chan_sip in Asterisk Open Source 1.8.x, 11.x before 11.21.1, 12.x, and 13.x before 13.7.1 and Certified Asterisk 1.8.28, 11.6 before 11.6-cert12, and 13.1 before 13.1-cert3, when the timert1 sip.conf configuration is set to a value greater than 1245, allows remote attackers to cause a denial of service (file descriptor consumption) via vectors related to large retransmit timeout values.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.90
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

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

Base Score 2.0
7.10
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools