Orbit Downloader metalink "name" Directory Traversal

2010-05-29 / 2010-05-30
Risk: Low
Local: No
Remote: Yes
CWE: CWE-22


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

====================================================================== Secunia Research 19/05/2010 - Orbit Downloader metalink "name" Directory Traversal - ====================================================================== 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 3.0.0.4 and 3.0.0.5 NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Moderately critical Impact: System access Where: 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/index.htm ====================================================================== 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 the application not properly sanitising the "name" attribute of the "file" element of metalink files before using it to download files. If a user is tricked into downloading from a specially crafted metalink file, this can be exploited to download files to directories outside of the intended download directory via directory traversal attacks. The vulnerability is confirmed in version 3.0.0.4 and 3.0.0.5. Other versions may also be affected. ====================================================================== 5) Solution Do not open untrusted metalink files. ====================================================================== 6) Time Table 30/04/2010 - Vendor notified. 12/05/2010 - Sent reminder to vendor. 19/05/2010 - Public disclosure. ====================================================================== 7) Credits Discovered by Stefan Cornelius, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has not yet assigned a CVE identifier 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/2010-73/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================

References:

http://www.securityfocus.com/archive/1/archive/1/511348/100/100/threaded
http://secunia.com/secunia_research/2010-73/
http://secunia.com/advisories/39527


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