CVE-2018-12228 Information

Description

An issue was discovered in Asterisk Open Source 15.x before 15.4.1. When connected to Asterisk via TCP/TLS if the client abruptly disconnects or sends a specially crafted message then Asterisk gets caught in an infinite loop while trying to read the data stream. This renders the system unusable.

CVSS Vector

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

Reference

http://downloads.asterisk.org/pub/security/AST-2018-007.html http://www.securityfocus.com/bid/104457 https://issues.asterisk.org/jira/browse/ASTERISK-27807

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5