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Insecure Library Loading

Secunia Advisory SA27129

OpenH323 opal Session Initiation Protocol Vulnerability
Secunia Advisory SA27129
Secunia VIM 4.0 - Free Trial
Release Date 2007-10-08
Last Update 2007-10-12
   
Popularity 9,018 views
Comments 0 comments

Criticality level Moderately criticalModerately critical
Impact DoS
System access
Where From remote
Authentication level This information is available to Secunia VIM customers
   
Report reliability This information is available to Secunia VIM customers
Solution Status Vendor Workaround
   
   
3rd party PoC/exploit Link available in Customer Area
Systems affected This information is available to Secunia VIM customers
Approve distribution This information is available to Secunia VIM customers
   
Software:
OpenH323 opal 2.x

Secunia CVSS Score This information is available to Secunia VIM Customers
CVE Reference(s) CVE-2007-4924 CVSS score available to Secunia VIM customers
  

Description

José Miguel Esparza has reported a vulnerability in OpenH323 opal, which can potentially be exploited by malicious people to compromise an application using the library.

The vulnerability is caused due to an error in the processing of SIP (Session Initiation Protocol) packets within the "SIP_PDU::Read()" method in sip/sippdu.cxx. This can be exploited to write a zero byte to an arbitrary memory address.

The vulnerability is reported in version 2.2.4. Other versions may also be affected.


Solution
Fixed in the CVS repository.
Further details available to Secunia VIM customers

Provided and/or discovered by
José Miguel Esparza

Changelog
Further details available to Secunia VIM customers

Original Advisory
S21Sec:
http://www.s21sec.com/avisos/s21sec-037-en.txt

Red Hat:
https://bugzilla.redhat.com/show_bug.cgi?id=296371

Ekiga:
http://mail.gnome.org/archives/ekiga-list/2007-September/msg00103.html

Deep Links
Links available to Secunia VIM customers


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: OpenH323 opal Session Initiation Protocol Vulnerability
 
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