7.1
HIGH
CVE-2008-1923
Asterisk IAX2 Denial of Service Amoplivication
Description

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.

INFO

Published Date :

April 23, 2008, 4:05 p.m.

Last Modified :

Aug. 8, 2017, 1:30 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.9

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2008-1923 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Asterisk asterisk_business_edition
2 Asterisk open_source
3 Asterisk asterisk_appliance_developer_kit
4 Asterisk asterisknow
5 Asterisk s800i
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2008-1923.

URL Resource
http://bugs.digium.com/view.php?id=10078
http://downloads.digium.com/pub/security/AST-2008-006.html
http://www.altsci.com/concepts/page.php?s=asteri&p=1
https://exchange.xforce.ibmcloud.com/vulnerabilities/42049

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2008-1923 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2008-1923 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Aug. 08, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/42049 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/42049 [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 24, 2008

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2008-1923 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2008-1923 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.11 }} 0.08%

score

0.89477

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability