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TITLE:
BlackBerry Enterprise Server Instant Messaging User Impersonation
Vulnerability

SECUNIA ADVISORY ID:
SA46370

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46370/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46370

RELEASE DATE:
2011-10-13

DISCUSS ADVISORY:
http://secunia.com/advisories/46370/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/46370/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=46370

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in BlackBerry Enterprise Server,
which can be exploited by malicious users to impersonate other
users.

The vulnerability is caused due to an error within the authentication
mechanism of the BlackBerry Collaboration Service component. This can
be exploited to log into the BlackBerry Collaboration Service via a
BlackBerry device as another legitimate user and e.g. send messages
as the user, receive messages sent to the user, and access the user's
enterprise instant messaging contact list.

The vulnerability is reported in the following versions:
* BlackBerry Enterprise Server for Microsoft Exchange versions 5.0.3
through 5.0.3 MR4.
* BlackBerry Enterprise Server for IBM Lotus Domino versions 5.0.3
through 5.0.3 MR4.

SOLUTION:
Apply Interim Security Software Update for October 11, 2011.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://www.blackberry.com/btsc/KB28524

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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