Executive Summary

Summary
Title Asterisk: Denial of Service
Informations
Name GLSA-201202-06 First vendor Publication 2012-02-22
Vendor Gentoo Last vendor Modification 2012-02-22
Severity (Vendor) Normal 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:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A vulnerability in Asterisk could allow a remote attacker to cause a Denial of Service condition.

Background

Asterisk is an open source telephony engine and toolkit.

Description

A vulnerability has been found in Asterisk's handling of certain encrypted streams where the res_srtp module has been loaded but video support has not been enabled.

Impact

A remote attacker could send a specially crafted SDP message to the Asterisk daemon, possibly resulting in a Denial of Service condition.

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-1.8.8.2"

References

[ 1 ] CVE-2012-0885 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0885

Availability

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

http://security.gentoo.org/glsa/glsa-201202-06.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201202-06.xml

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 59

OpenVAS Exploits

Date Description
2012-03-12 Name : Gentoo Security Advisory GLSA 201202-06 (asterisk)
File : nvt/glsa_201202_06.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
78482 Asterisk SRTP Video Stream Negotiation Remote DoS

Nessus® Vulnerability Scanner

Date Description
2012-03-22 Name : A telephony application running on the remote host is affected by a denial of...
File : asterisk_ast_2012_001.nasl - Type : ACT_GATHER_INFO
2012-02-23 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201202-06.nasl - Type : ACT_GATHER_INFO

Alert History

If you want to see full details history, please login or register.
0
Date Informations
2014-02-17 11:37:12
  • Multiple Updates