Executive Summary

Summary
Title Asterisk: Multiple vulnerabilities
Informations
Name GLSA-201811-11 First vendor Publication 2018-11-24
Vendor Gentoo Last vendor Modification 2018-11-24
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:P/A:P)
Cvss Base Score 6.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

Multiple vulnerabilities have been found in Asterisk, the worst of which could result in a Denial of Service condition.

Background

A Modular Open Source PBX System.

Description

Multiple vulnerabilities have been discovered in Asterisk. Please review the referenced CVE identifiers for details.

Impact

A remote attacker could cause a Denial of Service condition or conduct information gathering.

Workaround

There is no known workaround at this time.

Resolution

All Asterisk users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/asterisk-13.23.1"

References

[ 1 ] CVE-2017-16671 : https://nvd.nist.gov/vuln/detail/CVE-2017-16671
[ 2 ] CVE-2017-16672 : https://nvd.nist.gov/vuln/detail/CVE-2017-16672
[ 3 ] CVE-2017-17850 : https://nvd.nist.gov/vuln/detail/CVE-2017-17850
[ 4 ] CVE-2018-12227 : https://nvd.nist.gov/vuln/detail/CVE-2018-12227
[ 5 ] CVE-2018-17281 : https://nvd.nist.gov/vuln/detail/CVE-2018-17281

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/201811-11

Original Source

Url : http://security.gentoo.org/glsa/glsa-201811-11.xml

CWE : Common Weakness Enumeration

% Id Name
20 % CWE-772 Missing Release of Resource after Effective Lifetime
20 % CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
20 % CWE-200 Information Exposure
20 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer
20 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 982
Application 47
Os 2

Nessus® Vulnerability Scanner

Date Description
2018-11-26 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201811-11.nasl - Type : ACT_GATHER_INFO
2018-10-17 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4320.nasl - Type : ACT_GATHER_INFO
2018-09-28 Name : The remote Debian host is missing a security update.
File : debian_DLA-1523.nasl - Type : ACT_GATHER_INFO
2018-09-27 Name : A telephony application running on the remote host is affected by a remote de...
File : asterisk_ast_2018_009.nasl - Type : ACT_GATHER_INFO
2018-09-24 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_77f67b46bd7511e881b6001999f8d30b.nasl - Type : ACT_GATHER_INFO
2018-06-15 Name : A telephony application running on the remote host is affected by multiple vu...
File : asterisk_ast_15_x_2018_007-008.nasl - Type : ACT_GATHER_INFO
2018-06-15 Name : A telephony application running on the remote host is affected by a remote de...
File : asterisk_ast_2018_008.nasl - Type : ACT_GATHER_INFO
2018-01-15 Name : The remote Fedora host is missing a security update.
File : fedora_2017-41242dfe10.nasl - Type : ACT_GATHER_INFO
2018-01-04 Name : A telephony application running on the remote host is affected by a remote de...
File : asterisk_ast_2017_014.nasl - Type : ACT_GATHER_INFO
2018-01-02 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4076.nasl - Type : ACT_GATHER_INFO
2017-12-26 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_2a3bc6ace7c611e7a90b001999f8d30b.nasl - Type : ACT_GATHER_INFO
2017-11-17 Name : A telephony application running on the remote host is affected by multiple vu...
File : asterisk_ast_2017_009-011.nasl - Type : ACT_GATHER_INFO
2017-11-10 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_ab04cb0bc53311e78da5001999f8d30b.nasl - Type : ACT_GATHER_INFO
2017-11-10 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_be261737c53511e78da5001999f8d30b.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2018-11-24 21:19:23
  • First insertion