National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-16672 Detail

Current 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.

Source:  MITRE      Last Modified:  11/08/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-16672
Original release date:
11/08/2017
Last revised:
12/31/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
5.9 Medium
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H (legend)
Impact Score:
3.6
Exploitability Score:
2.2
CVSS Version 3 Metrics:
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
CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://downloads.digium.com/pub/security/AST-2017-011.html Vendor Advisory External Source CONFIRM http://downloads.digium.com/pub/security/AST-2017-011.html
http://www.securityfocus.com/bid/101765 Third Party Advisory; VDB Entry External Source BID 101765
https://issues.asterisk.org/jira/browse/ASTERISK-27345 Vendor Advisory External Source CONFIRM https://issues.asterisk.org/jira/browse/ASTERISK-27345
https://www.debian.org/security/2017/dsa-4076 External Source DEBIAN DSA-4076

Technical Details

Vulnerability Type (View All)

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