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Insecure Library Loading
Moderately critical

OpenH323 opal Session Initiation Protocol Vulnerability

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Release Date:  2007-10-08    Last Update:  2007-10-12    Views:  9,559

Secunia Advisory SA27129

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Workaround

CVE Reference(s):

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

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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