Orbit Downloader Long URL Parsing Buffer Overflow

2009.02.26
Risk: High
Local: Yes
Remote: No
CWE: CWE-119


CVSS Base Score: 9.3/10
Impact Subscore: 10/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

====================================================================== Secunia Research 25/02/2009 - Orbit Downloader Long URL Parsing Buffer Overflow - ====================================================================== 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 * Orbit Downloader 2.8.2 and 2.8.3 NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Highly critical Impact: System access Where: From remote ====================================================================== 3) Vendor's Description of Software "Orbit Downloader, leader of download manager revolution, is devoted to new generation web (web2.0) downloading, such as video/music/ streaming media from Myspace, YouTube, Imeem, Pandora, Rapidshare, support RTMP. And to make general downloading easier and faster.". Product Link: http://www.orbitdownloader.com/ ====================================================================== 4) Description of Vulnerability Secunia Research has discovered a vulnerability in Orbit Downloader, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused due to a boundary error when generating the "Connecting" log message for HTTP downloads. This can be exploited to cause a stack-based buffer overflow by e.g. tricking a user into downloading from a malicious HTTP server or opening a specially crafted HTTP URL containing an overly long host name. Successful exploitation allows execution of arbitrary code. ====================================================================== 5) Solution Update to version 2.8.5. ====================================================================== 6) Time Table 21/01/2009 - Vendor notified. 04/02/2009 - Requested status update from vendor. 05/02/2009 - Vendor response. 10/02/2009 - Vendor states that the bug has been fixed and a new version will be available soon. 25/02/2009 - Public disclosure. ====================================================================== 7) Credits Discovered by Stefan Cornelius, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2009-0187 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/2009-9/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================

References:

http://www.vupen.com/english/advisories/2009/0521
http://www.securityfocus.com/bid/33894
http://www.securityfocus.com/archive/1/archive/1/501220/100/0/threaded
http://secunia.com/secunia_research/2009-9/
http://secunia.com/advisories/33843


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