APP: Digium Asterisk IAX2 Call Number Denial Of Service

This signature detects attempts to exploit a known vulnerability against Digium Asterisk IAX2 Call Number. A successful attack can result in a denial-of-service condition.

Extended Description

Asterisk is prone to a remote denial-of-service vulnerability because it fails to properly handle an excessive amount of call numbers. Successful exploits can cause the application to stop accepting connections, resulting in denial-of-service conditions for legitimate users.

Affected Products

Asterisk s800i_appliance,Asterisk asterisk

References

BugTraq: 36275

CVE: CVE-2009-2346

Short Name
APP:DIGIUM-IAX2-DOS
Severity
Major
Recommended
False
Recommended Action
Drop
Category
APP
Keywords
Asterisk CVE-2009-2346 Call Denial Digium IAX2 Number Of Service bid:36275
Release Date
07/19/2011
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3336
Port
UDP/4569
False Positive
Unknown
Vendors

Red_hat

Asterisk

Gentoo

CVSS Score

7.8

Found a potential security threat?