Digium Asterisk 1.2.0 Beta1 up to 1.4.0 Beta1 Channel Driver denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Digium Asterisk. The affected element is an unknown function of the component Channel Driver. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2006-5445. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Digium Asterisk (Communications System). This vulnerability affects an unknown part of the component Channel Driver. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Unspecified vulnerability in the SIP channel driver (channels/chan_sip.c) in Asterisk 1.2.x before 1.2.13 and 1.4.x before 1.4.0-beta3 allows remote attackers to cause a denial of service (resource consumption) via unspecified vectors that result in the creation of "a real pvt structure" that uses more resources than necessary.

The bug was discovered 10/18/2006. The weakness was released 10/30/2006 by Jesus Oquendo (Website). The advisory is shared for download at gentoo.org. This vulnerability was named CVE-2006-5445 since 10/23/2006. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 22930 (GLSA-200610-15 : Asterisk: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165116 (SUSE Security Update for Asterisk (SUSE-SA:2006:069)).

Upgrading to version 1.2.x eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (29664), Tenable (22930), SecurityFocus (BID 20835†), OSVDB (29973†) and Secunia (SA22480†). Entries connected to this vulnerability are available at VDB-2488, VDB-2489, VDB-2622 and VDB-31949. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22930
Nessus Name: GLSA-200610-15 : Asterisk: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 57913
OpenVAS Name: Gentoo Security Advisory GLSA 200610-15 (asterisk)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Asterisk 1.2.x
Fortigate IPS: 🔍

Timelineinfo

10/17/2006 🔍
10/18/2006 +1 days 🔍
10/20/2006 +2 days 🔍
10/20/2006 +0 days 🔍
10/23/2006 +2 days 🔍
10/23/2006 +0 days 🔍
10/23/2006 +0 days 🔍
10/30/2006 +7 days 🔍
10/30/2006 +0 days 🔍
10/31/2006 +0 days 🔍
11/05/2006 +5 days 🔍
03/12/2015 +3049 days 🔍
04/25/2026 +4062 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: gentoo.org
Researcher: Jesus Oquendo
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-5445 (🔍)
GCVE (CVE): GCVE-0-2006-5445
GCVE (VulDB): GCVE-100-32896
X-Force: 29664
SecurityFocus: 20835 - Asterisk Chan_Sip.c Unspecified Remote Denial of Service Vulnerability
Secunia: 22480 - Asterisk SCCP Integer Overflow and SIP Denial of Service Vulnerabilities, Moderately Critical
OSVDB: 29973 - Asterisk SIP Channel Driver (chan_sip) Unspecified Remote DoS
Vulnerability Center: 13052 - Asterisk SIP Channel Driver Remote Denial of Service Due To an Unspecified Vulnerability, High
Vupen: ADV-2006-4098

See also: 🔍

Entryinfo

Created: 03/12/2015 22:21
Updated: 04/25/2026 03:43
Changes: 03/12/2015 22:21 (86), 07/10/2019 15:38 (2), 04/25/2026 03:43 (19)
Complete: 🔍
Cache ID: 216::103

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