Debian DLA-1122-1 : asterisk security update

high Nessus Plugin ID 103683
New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it is different from CVSS.

VPR Score: 5.9

Synopsis

The remote Debian host is missing a security update.

Description

A security vulnerability was discovered in Asterisk, an Open Source PBX and telephony toolkit, that may lead to unauthorized command execution.

The app_minivm module has an 'externnotify' program configuration option that is executed by the MinivmNotify dialplan application. The application uses the caller-id name and number as part of a built string passed to the OS shell for interpretation and execution. Since the caller-id name and number can come from an untrusted source, a crafted caller-id name or number allows an arbitrary shell command injection.

For Debian 7 'Wheezy', these problems have been fixed in version 1:1.8.13.1~dfsg1-3+deb7u7.

We recommend that you upgrade your asterisk packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2017/10/msg00002.html

https://packages.debian.org/source/wheezy/asterisk

Plugin Details

Severity: High

ID: 103683

File Name: debian_DLA-1122.nasl

Version: 2.8

Type: local

Agent: unix

Published: 10/6/2017

Updated: 1/11/2021

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: High

VPR Score: 5.9

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:asterisk, p-cpe:/a:debian:debian_linux:asterisk-config, p-cpe:/a:debian:debian_linux:asterisk-dahdi, p-cpe:/a:debian:debian_linux:asterisk-dbg, p-cpe:/a:debian:debian_linux:asterisk-dev, p-cpe:/a:debian:debian_linux:asterisk-doc, p-cpe:/a:debian:debian_linux:asterisk-mobile, p-cpe:/a:debian:debian_linux:asterisk-modules, p-cpe:/a:debian:debian_linux:asterisk-mp3, p-cpe:/a:debian:debian_linux:asterisk-mysql, p-cpe:/a:debian:debian_linux:asterisk-ooh323, p-cpe:/a:debian:debian_linux:asterisk-voicemail, p-cpe:/a:debian:debian_linux:asterisk-voicemail-imapstorage, p-cpe:/a:debian:debian_linux:asterisk-voicemail-odbcstorage, cpe:/o:debian:debian_linux:7.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/5/2017

Reference Information

CVE: CVE-2017-14100