Home    |    View Topics    |    Search    |    Contact Us    |   



Category:   Device (VoIP/Phone/FAX)  >   Asterisk Vendors:   Digium (Linux Support Services)
Asterisk Bug in Processing SIP INVITE Request with NULL Header Values Lets Remote Authenticated Users Deny Service
SecurityTracker Alert ID:  1021834
SecurityTracker URL:
CVE Reference:   CVE-2009-0871   (Links to External Site)
Updated:  Mar 14 2009
Original Entry Date:  Mar 10 2009
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.4 prior to, 1.6 prior to
Description:   A vulnerability was reported in Asterisk. A remote authenticated user can cause denial of service conditions.

When the system is configured with "pedantic=yes", a remote authenticated user can send a SIP INVITE request with specially crafted null header values to cause the target service to crash.

klaus3000 reported this vulnerability.

Impact:   A remote authenticated user can cause the target service to crash.
Solution:   The vendor has issued a fix (,

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

Go to the Top of This SecurityTracker Archive Page

Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2021, LLC