13 October 2010
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2010.0926 SAP BusinessObjects Crystal Reports Server CMS.exe Remote Code Execution Vulnerability 13 October 2010 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: SAP BusinessObjects Crystal Reports Server Publisher: Zero Day Initiative Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade Original Bulletin: http://www.zerodayinitiative.com/advisories/ZDI-10-195/ - --------------------------BEGIN INCLUDED TEXT-------------------- SAP BusinessObjects Crystal Reports Server CMS.exe Remote Code Execution Vulnerability ZDI-10-195: October 12th, 2010 CVSS Score 10, (AV:N/AC:L/Au:N/C:C/I:C/A:C) Affected Vendors SAP Affected Products Crystal Reports TippingPoint IPS Customer Protection TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 10482. For further product information on the TippingPoint IPS: http://www.tippingpoint.com Vulnerability Details This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of SAP Crystal Reports. Authentication is not required to exploit this vulnerability. The specific flaw exists within the CMS.exe process which listens by default on several TCP ports above 1024. When parsing a GIOP request, the process trusts a user-supplied 32-bit value and allocates a buffer on the heap. The process then proceeds to copy the string following this value from the packet until it finds a NULL byte. By crafting a specifically sized packet a remote attacker can overflow the buffer and gain code execution under the context of the SYSTEM user. Vendor Response SAP states: A solution was provided via SAP note 1509604 (https://websmp130.sap-ag.de/sap/support/notes/1509604) Disclosure Timeline 2010-07-20 - Vulnerability reported to vendor 2010-10-12 - Coordinated public release of advisory Credit This vulnerability was discovered by: AbdulAziz Hariri Andrea Micalizzi aka rgod - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to email@example.com and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== 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 iD8DBQFMtTNL/iFOrG6YcBERAuefAKCcj5ydwjNMKXELOdNHYHexL3B/NwCgs0rm SrBIxAw4ZEkJ229Vuj5EkWk= =PeIM -----END PGP SIGNATURE-----