====================================================================== Secunia Research 11/12/2008 - CA ARCserve Backup RPC "handle_t" Argument Vulnerability - ====================================================================== Table of Contents Affected Software....................................................1 Severity.............................................................2 Vendor's Description of Software.....................................3 Description of Vulnerability.........................................4 Solution.............................................................5 Time Table...........................................................6 Credits..............................................................7 References...........................................................8 About Secunia........................................................9 Verification........................................................10 ====================================================================== 1) Affected Software * CA ARCserve Backup 11.5 SP4 build 4491. NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Moderately critical Impact: System access Where: Local network ====================================================================== 3) Vendor's Description of Software "It is a reliable and comprehensive data protection solution trusted by hundreds of thousands users. It offers market-leading features, functionality and performance to provide data protection that minimizes costs, streamlines administrative tasks and operations and is part of a comprehensive integrated recovery solution." Product Link: http://www.ca.com/us/data-loss-prevention.aspx ====================================================================== 4) Description of Vulnerability Secunia Research has discovered a vulnerability in BrightStor ARCserve Backup, which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to insufficient validation of "handle_t" arguments passed to RPC endpoints. Passing object pointers to procedures that expect different types can result in arbitrary code execution. ====================================================================== 5) Solution Apply patches released by the vendor. ====================================================================== 6) Time Table 24/10/2007 - Vendor notified. 24/10/2007 - Vendor response. 21/11/2007 - Status update requested. 21/11/2007 - Vendor responds that development is working on patches. 07/04/2008 - Status update requested. 08/04/2008 - Vendor notifies expected release in May 2008. 21/05/2008 - Vendor notifies expected release in October 2008. 10/11/2008 - Vendor informed that October release did not fix the reported vulnerability in version 11.5. 10/11/2008 - Vendor requests additional information. 10/11/2008 - Additional information provided to the vendor. 11/11/2008 - Vendor asks for further clarification. 11/11/2008 - Additional information about testing provided to vendor. 14/11/2008 - Vendor informed that fixes for version 12 correctly addressed the reported vulnerability. 18/11/2008 - Vendor provides beta patch for version 11.5. 20/11/2008 - Vendor informed that beta patch fixes the vulnerability. 11/12/2008 - Public disclosure. ====================================================================== 7) Credits Discovered by Dyon Balding, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2008-5415 for the vulnerability. ====================================================================== 9) About Secunia Secunia offers vulnerability management solutions to corporate customers with verified and reliable vulnerability intelligence relevant to their specific system configuration: http://secunia.com/advisories/business_solutions/ Secunia also provides a publicly accessible and comprehensive advisory database as a service to the security community and private individuals, who are interested in or concerned about IT-security. http://secunia.com/advisories/ Secunia believes that it is important to support the community and to do active vulnerability research in order to aid improving the security and reliability of software in general: http://secunia.com/secunia_research/ Secunia regularly hires new skilled team members. Check the URL below to see currently vacant positions: http://secunia.com/corporate/jobs/ Secunia offers a FREE mailing list called Secunia Security Advisories: http://secunia.com/advisories/mailing_lists/ ====================================================================== 10) Verification Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2007-82/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================