Executive Summary

Informations
Name CVE-2018-17281 First vendor Publication 2018-09-24
Vendor Cve Last vendor Modification 2019-10-03

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

There is a stack consumption vulnerability in the res_http_websocket.so module of Asterisk through 13.23.0, 14.7.x through 14.7.7, and 15.x through 15.6.0 and Certified Asterisk through 13.21-cert2. It allows an attacker to crash Asterisk via a specially crafted HTTP request to upgrade the connection to a websocket.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17281

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 982
Application 28
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

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/105389
BUGTRAQ https://seclists.org/bugtraq/2018/Sep/53
CONFIRM http://downloads.asterisk.org/pub/security/AST-2018-009.html
https://issues.asterisk.org/jira/browse/ASTERISK-28013
DEBIAN https://www.debian.org/security/2018/dsa-4320
FULLDISC http://seclists.org/fulldisclosure/2018/Sep/31
GENTOO https://security.gentoo.org/glsa/201811-11
MISC http://packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisor...
MLIST https://lists.debian.org/debian-lts-announce/2018/09/msg00034.html
SECTRACK http://www.securitytracker.com/id/1041694

Alert History

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Date Informations
2020-05-23 02:13:01
  • Multiple Updates
2020-05-23 01:09:43
  • Multiple Updates
2019-10-03 09:20:59
  • Multiple Updates
2018-12-20 17:18:47
  • Multiple Updates
2018-11-25 17:20:02
  • Multiple Updates
2018-10-17 17:19:41
  • Multiple Updates
2018-09-28 17:19:38
  • Multiple Updates
2018-09-26 17:19:30
  • Multiple Updates
2018-09-25 05:18:52
  • First insertion