CVE-2018-7286 Information

Description

An issue was discovered in Asterisk through 13.19.1 14.x through 14.7.5 and 15.x through 15.2.1 and Certified Asterisk through 13.18-cert2. res_pjsip allows remote authenticated users to crash Asterisk (segmentation fault) by sending a number of SIP INVITE messages on a TCP or TLS connection and then suddenly closing the connection.

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-2018-005.html http://www.securityfocus.com/bid/103129 http://www.securitytracker.com/id/1040417 https://issues.asterisk.org/jira/browse/ASTERISK-27618 https://www.debian.org/security/2018/dsa-4320 https://www.exploit-db.com/exploits/44181/

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