CVE-2017-16672 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://downloads.digium.com/pub/security/AST-2017-011.html http://www.securityfocus.com/bid/101765 https://issues.asterisk.org/jira/browse/ASTERISK-27345 https://security.gentoo.org/glsa/201811-11 https://www.debian.org/security/2017/dsa-4076

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.9