2008-1923 | Digium Asterisk IAX2 Channel Driver config (XFDB-42049 / 32132)

CVSS Meta Temp Score

CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.

Current Exploit Price (≈)

Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.

CTI Interest Score

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7.2 $0-$5k 0.84

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 denial of service vulnerability. CWE is classifying the issue as CWE-16. This is going to have an impact on availability.

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 since 04/23/2008. 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.

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), Vulnerability Center (SBV-18331) and Tenable (32132). Similar entry is available at 42104.




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: 🔍

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Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Class: Denial of service
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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 Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Asterisk 1.4.11
TippingPoint: 🔍

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 🔍
07/27/2016 +499 days 🔍
07/31/2021 +1830 days 🔍Vendor: https://www.digium.com/

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

CVE: CVE-2008-1923 (🔍)
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: 🔍

Created: 03/16/2015 17:00
Updated: 07/31/2021 20:08
Changes: (1) source_nessus_risk
Complete: 🔍


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