Asterisk 13.x < 13.21.1 / 14.x < 14.7.7 / 13.13 < 13.18-cert4 / 13.21 < 13.21-cert2 Information Disclosure Vulnerability (AST-2018-008)

medium Nessus Plugin ID 110562

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Synopsis

A telephony application running on the remote host is affected by a remote denial of service vulnerability.

Description

According to its SIP banner, the version of Asterisk running on the remote host is 13.x prior to 13.21.1, 14.x prior to 14.7.7, or 13.18 prior to 13.18-cert4. It is therefore, affected by a remote denial of service attack as described in AST-2018-008.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Asterisk version 13.21.1 / 14.7.7 / 13.18-cert4 / 13.21-cert2 or later.

Plugin Details

Severity: Medium

ID: 110562

File Name: asterisk_ast_2018_008.nasl

Version: 1.7

Type: remote

Family: Misc.

Published: 6/15/2018

Updated: 4/11/2022

Configuration: Enable paranoid mode, Enable thorough checks

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2018-12227

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:digium:asterisk

Required KB Items: asterisk/sip_detected, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 6/11/2018

Vulnerability Publication Date: 4/19/2018

Reference Information

CVE: CVE-2018-12227

Detections

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