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OpenH323 opal Session Initiation Protocol Vulnerability
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Secunia Advisory:
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SA27129
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Release Date:
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2007-10-08
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Last Update:
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2007-10-12
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Popularity:
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4,358 views
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Critical:
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Moderately critical
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Impact:
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DoS
System access
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Where:
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From remote
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Solution Status:
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Vendor Workaround
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| Software: | OpenH323 opal 2.x
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| CVE reference: | CVE-2007-4924
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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.
http://openh323.cvs.sourceforge.net/o...pdu.cxx?r1=2.83.2.19&r2=2.83.2.20
Provided and/or discovered by:
José Miguel Esparza
Changelog:
2007-10-12: Updated "Description" and "Original Advisory" section.
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
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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