Security Advisory SA27129 - OpenH323 opal Session Initiation Protocol Vulnerability

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Secunia Advisory SA27129

OpenH323 opal Session Initiation Protocol Vulnerability

Secunia Advisory

SA27129

Release Date

2007-10-08

Last Update

2007-10-12

Popularity

9,018 views

Comments

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Criticality level

Moderately critical

Impact

DoS
System access

Where

From remote

Authentication level

This information is available to Secunia VIM customers

Report reliability

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Solution Status

Vendor Workaround

3rd party PoC/exploit

Link available in Customer Area

Systems affected

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Approve distribution

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Software:

OpenH323 opal 2.x

Secunia CVSS Score

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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

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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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Secunia Advisory SA27129

OpenH323 opal Session Initiation Protocol Vulnerability

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