Secunia Logo  


Secunia PSI WorldMap
 
Asterisk IAX2 Channel Driver Information Disclosure
Secunia Advisory: SA25134
Release Date: 2007-05-07
Popularity: 7,305 views

Critical:
Less critical
Impact: Exposure of sensitive information
Where: From local network
Solution Status: Vendor Workaround

Software:Asterisk 1.x

Secunia CVSS-2 Score: Available in Secunia business solutions

Subscribe: Instant alerts on relevant vulnerabilities


Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
A vulnerability has been reported in Asterisk, which can be exploited by malicious users to disclose potential sensitive information.

The vulnerability is caused due to an error within the IAX2 channel driver (chan_iax2) in the processing of text frames. This can be exploited to disclose potentially sensitive heap memory by sending a text frame with content that is not NULL terminated.

The vulnerability affects the following versions:
* Asterisk Open Source 1.2.x and 1.4.x (all releases prior 1.2.19 and 1.4.5)
* Asterisk Business Edition A.x.x (all releases)
* Asterisk Business Edition B.x.x (all releases prior to B.2.1)
* AsteriskNOW pre-release (all releases prior to and including Beta 5)
* Asterisk Appliance Developer Kit (all releases prior to 0.4.1)

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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.
  
Latest Advisories

6th Nov, 2009
New advisories: 17
New vulnerabilities: 65
Updated advisories: 21

Less // 380 views
Debian update for linux-2.6.24
Less // 367 views
Debian update for linux-2.6
Moderately // 338 views
Gentoo update for horde
Less // 350 views
Fedora update for kernel
Less // 339 views
Fedora update for kernel
Moderately // 343 views
Ubuntu update for libgd2
Moderately // 359 views
Ubuntu update for libgd2
Highly // 359 views
Fedora update for alienarena-data

Solutions | More...  


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.

Most Popular - 3 Hours

1. Sun Java JDK / JRE Multiple Vulnerabilities // 69 views
2. OpenSSL TLS Session Renegotiation Plaintext Injection Vulnerability // 44 views
3. Mozilla Firefox Multiple Vulnerabilities // 30 views
4. Internet Explorer Charset Inheritance Cross-Site Scripting Vulnerability // 29 views
5. Adobe Flash Player Multiple Vulnerabilities // 29 views
6. Google Chrome Two Vulnerabilities // 26 views
7. GnuTLS TLS Session Renegotiation Plaintext Injection Vulnerability // 22 views
8. Citrix NetScaler / Access Gateway Denial of Service Vulnerability // 18 views
9. Apple Mac OS X "ptrace()" Denial of Service Vulnerability // 15 views
10. Microsoft Products GDI+ Multiple Vulnerabilities // 13 views