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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2009.0067 -- [Win] Symantec AppStream Client LaunchObj ActiveX Vulnerability 23 January 2009 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Symantec Appstream Client 5.2.X Publisher: CCIRC Operating System: Windows Impact: Execute Arbitrary Code/Commands Denial of Service Overwrite Arbitrary Files Access: Remote/Unauthenticated CVE Names: CVE-2008-4388 Original Bulletin: http://www.publicsafety.gc.ca/prg/em/ccirc/2009/av09-004-eng.aspx Revision History: January 23 2009: Added CVE January 19 2009: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- PUBLIC SAFETY CANADA CANADIAN CYBER INCIDENT RESPONSE CENTRE ***************** ADVISORY ***************** Number: AV09-004 Date: 16 January 2009 *************************************************************** Symantec AppStream Client LaunchObj ActiveX Vulnerability *************************************************************** PURPOSE - --------- The purpose of this Advisory is to raise awareness of a critical vulnerability in Symantec AppStream Client ASSESSMENT - ------------- An attacker can exploit this issue by luring a user to download and execute code via a malicious webpage. This could result in a browser crash or allow unauthorized access to add, modify, overwrite or corrupt existing files on the targeted system. Unauthorized access to the vulnerable control could result in possible arbitrary code execution in the context of the client Affected products: Symantec AppStream Client 5.2.x All 5.2.X all Builds SUGGESTED ACTION - ---------------- CCIRC recommends that administrators test and deploy the update for the affected products available at the URL bellow; http://www.symantec.com/avcenter/security/Content/2009.01.15.html References: - ---------------- http://www.symantec.com/avcenter/security/Content/2009.01.15.html Note to readers The Canadian Cyber Incident Response Centre (CCIRC) provides a focal point for Canada's cyber threat and vulnerability warning, analysis and response. CCIRC is responsible for assuring the resilience of national critical infrastructure through monitoring threats and coordinating a federal response to cyber security incidents of national interest. CCIRC operates in conjunction with the Government Operations Centre (GOC) within Public Safety Canada and is a key component of the government's all-hazards approach to emergency management and national security. For urgent matters or to report any incidents, please contact the GOC at: Phone: 613-991-7000 - --------------------------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 auscert@auscert.org.au 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 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au 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 iQCVAwUBSXlUiCh9+71yA2DNAQIypAP/aJ1TDE5zcFWrR6mM7aycZohBmOk0ohjn F2TlBPWH7mTNT7XS/ciSStSBv3a9kEYOMjW/t7/ad1778iuHpVDv3/taH/k4ggzO euHurt51h+alkTQlqnDWQg7mH5IKpLzqe7FNrCJ0U2P+WG7OBFl2OgIK8rMWA4kS 6rOQFX1Jjco= =Tl+3 -----END PGP SIGNATURE-----