14 October 2010
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT Security Bulletin ASB-2010.0226 Vulnerabilities in the PDF distiller of the BlackBerry Attachment Service for the BlackBerry Enterprise Server 14 October 2010 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: BlackBerry Enterprise Server Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2010-2601 Member content until: Saturday, November 13 2010 OVERVIEW A vulnerability has been found in the PDF distiller of the BlackBerry Attachment Service for the BlackBerry Enterprise Server which may lead to the execution of arbitrary code or a denial of service. IMPACT The vendor has provided the following information regarding this vulnerability: "The vulnerability could allow a malicious individual to cause buffer overflow errors, leading to a Denial of Service (DoS) condition or possibly arbitrary code execution on the computer that the BlackBerry Attachment Service runs on. Successful exploitation of this issue requires a malicious individual to persuade a BlackBerry smartphone user to open a specially crafted PDF file on a BlackBerry smartphone that is associated with a user account on a BlackBerry Enterprise Server. The PDF file may be attached to an email message, or the BlackBerry smartphone user may retrieve it from a web site using the Get Link menu item on the BlackBerry smartphone."  MITIGATION Updates and interim fixes are available for following versions: * BlackBerry Enterprise Server Express version 5.0.2 Microsoft Exchange  * BlackBerry Enterprise Server version 5.0.0 Microsoft Exchange and IBM Lotus Domino  * BlackBerry Enterprise Server version 5.0.1 Microsoft Exchange, IBM Lotus Domino, and Novell GroupWise  * BlackBerry Enterprise Server version 5.0.2 Microsoft Exchange and IBM Lotus Domino  * BlackBerry Enterprise Server version 4.1.7 Microsoft Exchange and IBM Lotus Domino  * BlackBerry Enterprise Server version 4.1.7 Novell GroupWise  * BlackBerry Enterprise Server version 4.1.6 Microsoft Exchange, IBM Lotus Domino, and Novell GroupWise  The vendor has also provided workarounds to prevent the BlackBerry Attachment Service from processing PDF files in a BlackBerry Enterprise Server environment .  REFERENCES  Vulnerability in the PDF distiller of the BlackBerry Attachment Service for the BlackBerry Enterprise Server http://blackberry.com/btsc/KB24547  Software Download for BlackBerry Enterprise Server http://www.blackberry.com/go/serverdownloads AusCERT has made every effort to ensure that the information contained in this document is accurate. However, the decision to use the information described is the responsibility of each user or organisation. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: firstname.lastname@example.org Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iD8DBQFMtlCi/iFOrG6YcBERAvcdAJ95EGjH/vRbKJuOzoKu56lzgCDjGACfawBb jJu4rK2ivcgUCV5AvJZ9/uw= =XD/S -----END PGP SIGNATURE-----