Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2017-16672

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
09/11/2017
Last modified:
20/04/2025

Description

An issue was discovered in Asterisk Open Source 13 before 13.18.1, 14 before 14.7.1, and 15 before 15.1.1 and Certified Asterisk 13.13 before 13.13-cert7. A memory leak occurs when an Asterisk pjsip session object is created and that call gets rejected before the session itself is fully established. When this happens the session object never gets destroyed. Eventually Asterisk can run out of memory and crash.

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: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:*:*:*:*:*:*:*:* 13.0.0 (including) 13.18.1 (excluding)
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* 14.0.0 (including) 14.7.1 (excluding)
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* 15.0.0 (including) 15.1.1 (excluding)
cpe:2.3:a:digium:certified_asterisk:13.13.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc1:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc2:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc3:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc4:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert2:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert3:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert4:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert5:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert6:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools