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BlackBerry Enterprise Server PNG File Handling Vulnerability
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Secunia Advisory:
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SA18393
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Release Date:
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2006-01-10
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Popularity:
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8,834 views
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Critical:
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Highly 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 Patch
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| Software: | BlackBerry Enterprise Server for Domino 4.x
BlackBerry Enterprise Server for Exchange 4.x
BlackBerry Enterprise Server for Novell GroupWise 4.x
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| CVE reference: | CVE-2005-2344
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Description:
FX has been reported a vulnerability in BlackBerry Enterprise Server, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially to compromise a vulnerable system.
The vulnerability is caused due to an unspecified error in the BlackBerry Attachment Service when rendering malformed PNG image attachments. This can be exploited to cause a heap-based buffer overflow, which can cause BlackBerry users to be unable to view file attachments and may allow arbitrary code execution on the server.
Successful exploitation requires that the user views a malicious PNG attachment on a BlackBerry Handheld.
The vulnerability has been reported in version 4.0 through version 4.0 Service Pack 2.
Solution:
Apply BlackBerry Enterprise Server 4.0 Service Pack 3.
https://www.blackberry.com/Downloads/
BlackBerry Enterprise Server 4.0 for Microsoft Exchange:
Apply Service Pack 3, then install Service Pack 3, Hotfix 1.
BlackBerry Enterprise Server 4.0 for IBM Lotus Domino/Novell GroupWise:
Apply Service Pack 3.
Provided and/or discovered by:
FX, Phenoelit.
Original Advisory:
http://www.blackberry.com/knowledgece.../728075/728850/728215/?nodeid=1167794
Other References:
US-CERT VU#646976:
http://www.kb.cert.org/vuls/id/646976
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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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