|
Asterisk SIP Message Handling Denial of Service
|
|
Secunia Advisory:
|
SA24380
|
|
|
Release Date:
|
2007-03-07
|
|
Last Update:
|
2007-03-19
|
|
Popularity:
|
9,334 views
|
|
|
Critical:
|
Moderately critical
|
|
Impact:
|
DoS
|
|
Where:
|
From remote
|
|
Solution Status:
|
Vendor Patch
|
|
| Software: | Asterisk 1.x
|
|
|
Subscribe:
|
Instant alerts on relevant vulnerabilities 
|
|
| CVE reference: | CVE-2007-1306
|
|
Description:
MU Security Research Team has reported a vulnerability in Asterisk, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to a NULL-pointer dereference error when handling SIP request messages. This can be exploited to crash the service via a specially crafted SIP message with no URI and SIP version sent to default port 5060/UDP.
The vulnerability is reported in version 1.4.0 and 1.2.15. Prior versions may also be affected.
Solution:
Update to version 1.4.1 or 1.2.16.
Provided and/or discovered by:
MU Security Research Team
Changelog:
2007-03-08: Updated description to include additional information from MU Security.
2007-03-19: Added CVE reference.
Original Advisory:
Asterisk:
http://asterisk.org/node/48320
http://asterisk.org/node/48319
MU Security:
http://labs.musecurity.com/advisories/MU-200703-01.txt
Other References:
US-CERT VU#228032:
http://www.kb.cert.org/vuls/id/228032
|
|
|
Track this Secunia Advisory
|
Customers of the Secunia Vulnerability Intelligence solutions will automatically receive updates when new information regarding this advisory is released.
Read more about our Vulnerability Intelligence solutions and what they can do for you and your company.
|
|
|
About this Secunia Advisory
|
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
|
