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FreeBSD : asterisk -- DOS Vulnerability in Asterisk chan_skinny (e91cf90c-d6dd-11e7-9d10-001999f8d30b)

high Nessus Plugin ID 104985

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

The Asterisk project reports :

If the chan_skinny (AKA SCCP protocol) channel driver is flooded with certain requests it can cause the asterisk process to use excessive amounts of virtual memory eventually causing asterisk to stop processing requests of any kind.

Solution

Update the affected package.

See Also

https://downloads.asterisk.org/pub/security/AST-2017-013.html

http://www.nessus.org/u?177a6949

Plugin Details

Severity: High

ID: 104985

File Name: freebsd_pkg_e91cf90cd6dd11e79d10001999f8d30b.nasl

Version: 3.10

Type: local

Published: 12/4/2017

Updated: 1/4/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:asterisk13, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/1/2017

Vulnerability Publication Date: 11/30/2017

Reference Information

CVE: CVE-2017-17090