Digium Asterisk up to 1.4.10 IAX2 Channel Driver config

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Digium Asterisk up to 1.4.10. It has been rated as problematic. This affects an unknown function of the component IAX2 Channel Driver. Performing a manipulation results in config. This vulnerability is known as CVE-2008-1923. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Digium Asterisk up to 1.4.10 (Communications System). This affects an unknown function of the component IAX2 Channel Driver. The manipulation with an unknown input leads to a config vulnerability. CWE is classifying the issue as CWE-16. This is going to have an impact on availability. The summary by CVE is:

The IAX2 channel driver (chan_iax2) in Asterisk 1.2 before revision 72630 and 1.4 before revision 65679, when configured to allow unauthenticated calls, sends "early audio" to an unverified source IP address of a NEW message, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed NEW message.

The weakness was published 04/23/2008 (Website). The advisory is shared at xforce.iss.net. This vulnerability is uniquely identified as CVE-2008-1923. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592.004 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 32132 (Asterisk IAX2 Multiple Method Handshake Spoofing DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Denial of Service.

Upgrading to version 1.4.11 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 22612.

The vulnerability is also documented in the databases at X-Force (42049), Tenable (32132) and Vulnerability Center (SBV-18331†). Similar entry is available at VDB-42104. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Config
CWE: CWE-16
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 32132
Nessus Name: Asterisk IAX2 Multiple Method Handshake Spoofing DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Asterisk 1.4.11
TippingPoint: 🔍

Timelineinfo

04/23/2008 🔍
04/23/2008 +0 days 🔍
04/23/2008 +0 days 🔍
04/23/2008 +0 days 🔍
05/11/2008 +18 days 🔍
03/16/2015 +2500 days 🔍
07/31/2021 +2329 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: xforce.iss.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-1923 (🔍)
GCVE (CVE): GCVE-0-2008-1923
GCVE (VulDB): GCVE-100-42105
X-Force: 42049
Vulnerability Center: 18331 - Asterisk IAX2 Channel Driver Vulnerability Allows Remote Attackers to Cause a DoS via a NEW Message, Medium

See also: 🔍

Entryinfo

Created: 03/16/2015 17:00
Updated: 07/31/2021 20:08
Changes: 03/16/2015 17:00 (53), 12/24/2017 09:36 (8), 07/31/2021 20:01 (4), 07/31/2021 20:08 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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