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>> BlackBerry Enterprise Server Decompression Algorithm Buffer Overflow Vulnerability

Title : BlackBerry Enterprise Server Decompression Algorithm Buffer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2007-2419
CVE ID : CVE-2005-4848
Rated as : High Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-07-03


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in BlackBerry Enterprise Server, which could be exploited by remote attackers to cause a denial of service or potentially take complete control of an affected system. This issue is caused by a buffer overflow error within the decompression algorithm when processing malformed data, which could be exploited by attackers to crash an affected application or potentially execute arbitrary code via a specially crafted packet.

Note : The vendor has determined that exploiting this vulnerability would be difficult.

Affected Products

BlackBerry Enterprise Server for Domino 4.x
BlackBerry Enterprise Server for Domino 2.x
BlackBerry Enterprise Server for Exchange 4.x
BlackBerry Enterprise Server for Exchange 3.x
BlackBerry Enterprise Server for GroupWise 4.x

Solution

Apply patches :
http://www.blackberry.com/support/downloads/index.shtml

References

http://www.vupen.com/english/advisories/2007/2419
http://www.blackberry.com/btsc/articles/669/KB04075_f.SAL_Public.html

Credits

Vulnerability reported by Imad Lahoud (EADS Corporate Research Center IT Security Lab).

ChangeLog

2007-07-03 : Initial release

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