Executive Summary

Summary
Title asterisk security update
Informations
Name DSA-2367 First vendor Publication 2011-12-19
Vendor Debian Last vendor Modification 2011-12-19
Severity (Vendor) N/A Revision 1

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:N/C:P/I:N/A:N)
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

Several vulnerabilities have been discovered in Asterisk, an Open Source PBX and telephony toolkit: CVE-2011-4597

Ben Williams discovered that it was possible to enumerate SIP user names in some configurations. Please see the upstream advisory for details: http://downloads.asterisk.org/pub/security/AST-2011-013.html This update only modifies the sample sip.conf configuration file. Please see README.Debian for more information on how to update your installation.

CVE-2011-4598

Kristijan Vrban discovered that Asterisk can be crashed with malformed SIP packets if the "automon" feature is enabled. For the oldstable distribution (lenny), this problem has been fixed in version 1:1.4.21.2~dfsg-3+lenny6.

For the stable distribution (squeeze), this problem has been fixed in version 1:1.6.2.9-2+squeeze4.

For the unstable distribution (sid), this problem has been fixed in version 1:1.8.8.0~dfsg-1.

We recommend that you upgrade your asterisk packages.

Original Source

Url : http://www.debian.org/security/2011/dsa-2367

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-200 Information Exposure

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:15029
 
Oval ID: oval:org.mitre.oval:def:15029
Title: DSA-2367-1 asterisk -- several
Description: Several vulnerabilities have been discovered in Asterisk, an Open Source PBX and telephony toolkit: CVE-2011-4597 Ben Williams discovered that it was possible to enumerate SIP user names in some configurations. Please see README.Debian for more information on how to update your installation. CVE-2011-4598 Kristijan Vrban discovered that Asterisk can be crashed with malformed SIP packets if the "automon" feature is enabled.
Family: unix Class: patch
Reference(s): DSA-2367-1
CVE-2011-4597
CVE-2011-4598
 Version: 7
Platform(s): Debian GNU/Linux 5.0
Debian GNU/Linux 6.0
Debian GNU/kFreeBSD 6.0
 Product(s): asterisk
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 208

OpenVAS Exploits

Date Description
2012-04-02 Name : Fedora Update for asterisk FEDORA-2012-4259
File : nvt/gb_fedora_2012_4259_asterisk_fc15.nasl
2012-02-11 Name : Debian Security Advisory DSA 2367-1 (asterisk)
File : nvt/deb_2367_1.nasl
0000-00-00 Name : FreeBSD Ports: asterisk18
File : nvt/freebsd_asterisk180.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
77598 Asterisk channels/chan_sip.c handle_request_info() Function SIP Packet Parsin...
77597 Asterisk Request Response Port SIP Peer Enumeration

Nessus® Vulnerability Scanner

Date Description
2012-04-02 Name : The remote Fedora host is missing a security update.
File : fedora_2012-4259.nasl - Type : ACT_GATHER_INFO
2012-01-12 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-2367.nasl - Type : ACT_GATHER_INFO
2011-12-14 Name : A telephony application running on the remote host is affected by multiple vu...
File : asterisk_ast_2011_014.nasl - Type : ACT_GATHER_INFO
2011-12-09 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_bb38913721fb11e189b4001ec9578670.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2014-02-17 11:30:39
  • Multiple Updates