7.8
HIGH CVSS 2.0
CVE-2008-3263
Asterisk Remote Denial of Service Vulnerability
Description

The IAX2 protocol implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (call-number exhaustion and CPU consumption) by quickly sending a large number of IAX2 (IAX) POKE requests.

INFO

Published Date :

July 22, 2008, 11:41 p.m.

Last Modified :

April 9, 2025, 12:30 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2008-3263 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 Digium asterisk
1 Asterisk asterisk
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
Solution
A vulnerability in Asterisk allows for a remote denial of service.
  • Upgrade to Asterisk Open Source 1.4.21.2 / 1.2.30 or later.
  • Upgrade to Asterisk Business Edition C.2.0.3 / C.1.10.3 / B.2.5.4 or later.
  • Upgrade to s800i (Asterisk Appliance) 1.2.0.1 or later.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2008-3263 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-2008-3263 weaknesses.

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-2008-3263 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2008-3263 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://downloads.digium.com/pub/security/AST-2008-010.html
    Added Reference http://downloads.securityfocus.com/vulnerabilities/exploits/30321.pl
    Added Reference http://secunia.com/advisories/31178
    Added Reference http://secunia.com/advisories/31194
    Added Reference http://secunia.com/advisories/34982
    Added Reference http://security.gentoo.org/glsa/glsa-200905-01.xml
    Added Reference http://www.securityfocus.com/archive/1/494675/100/0/threaded
    Added Reference http://www.securityfocus.com/bid/30321
    Added Reference http://www.securitytracker.com/id?1020535
    Added Reference http://www.vupen.com/english/advisories/2008/2168/references
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/43942
    Added Reference https://www.redhat.com/archives/fedora-package-announce/2008-July/msg00839.html
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Oct. 11, 2018

    Action Type Old Value New Value
    Removed Reference http://www.securityfocus.com/archive/1/archive/1/494675/100/0/threaded [No Types Assigned]
    Added Reference http://www.securityfocus.com/archive/1/494675/100/0/threaded [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 08, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/43942 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/43942 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 23, 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.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

51.55 }} 1.30%

score

0.97765

percentile