Asterisk SIP Message Handling Denial of Service - Advisories

Software Inspectors

	Scan Online

	Personal (PSI)

	Network (NSI 2.0)

Solutions For

	Security Professionals

	Security Vendors

Free Solutions For

	Open Communities

	Journalists & Media

Secunia Advisories

	Search

	Historic Advisories

	Listed By Product

	Listed By Vendor

	Statistics / Graphs

	Secunia Research

	Report Vulnerability

	About Advisories

Virus Information

	Chronological List

	Last 10 Virus Alerts

	About Virus Information

Secunia Customers

	Customer Area

Asterisk SIP Message Handling Denial of Service

Secunia Advisory:	SA24380
Release Date:	2007-03-07
Last Update:	2007-03-19

Critical:	Moderately critical
Impact:	DoS
Where:	From remote
Solution Status:	Vendor Patch

Software:	Asterisk 1.x

CVE reference:	CVE-2007-1306 (Secunia mirror)

	Want to know the next time vulnerabilities are fixed in this product? - Companies can be alerted via email and SMS!

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



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.

28 Related Secunia Security Advisories, displaying 10

1. Asterisk "pedantic" SIP Processing Denial of Service

2. Asterisk IAX2 Handshake Denial of Service

3. Asterisk Predictable HTTP Manager ID Weakness

4. Asterisk Multiple Vulnerabilities

5. Asterisk "BYE/Also" Denial of Service Vulnerability

6. Asterisk Registration Database Security Bypass

7. Asterisk Postgres Realtime Engine SQL Injection

8. Asterisk Call Detail Record Postgres SQL Injection

9. Asterisk IMAP Storage Voicemail Buffer Overflow

10. Asterisk Voicemail IMAP Backend Invalid MIME Denial of Service

Show all related advisories

Send Feedback to Secunia

If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com. Ideas, suggestions, and other feedback are most welcome.

Secunia PSI
Scan | Patch | Track
Free Download

Secunia Poll

Most Popular Advisories

1.	Mozilla Firefox Multiple Vulnerabilities

2.	Opera for Windows Unspecified Code Execution

3.	VLC Media Player WAV Processing Integer Overflow

4.	Mozilla Thunderbird Multiple Vulnerabilities

5.	PCRE pcre_compile.c Buffer Overflow Vulnerability

6.	GNOME Glib PCRE pcre_compile.c Buffer Overflow Vulnerability

7.	Fedora update for glib2

8.	UnixWare ReliantHA Privilege Escalation Vulnerabilities

9.	zlib Denial of Service Vulnerability

10.	Novell eDirectory ds.dlm Module Buffer Overflow