RealPlayer SWF Frame Handling Buffer Overflow

2008.07.30
Risk: High
Local: No
Remote: Yes
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 25/07/2008 - RealNetworks RealPlayer SWF Frame Handling 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 RealNetworks RealPlayer Version 10.5 Build 6.0.12.1483 NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Highly critical Impact: System access Where: From remote ====================================================================== 3) Vendor's Description of Software "Download Web video instantly". Product Link: http://www.real.com/player ====================================================================== 4) Description of Vulnerability Secunia Research has discovered a vulnerability in RealPlayer, which can potentially be exploited by malicious people to compromise a user's system. The vulnerability is caused due to a design error within the handling of frames in Shockwave Flash (SWF) files and can be exploited to cause a heap-based buffer overflow. Successful exploitation may allow execution of arbitrary code. ====================================================================== 5) Solution The vulnerability is fixed in an upcoming release. ====================================================================== 6) Time Table 16/11/2007 - Vendor notified. 22/11/2007 - Vendor notified again. 26/11/2007 - Vendor response and request PoC. 29/11/2007 - Sent PoC to vendor. 03/01/2008 - Confirmation that vendor able to reproduce vulnerability. 27/05/2008 - Requested update from vendor. 07/07/2008 - Vendor confirms update is pending. 23/07/2008 - Vendor confirms disclosure date. 25/07/2008 - Public disclosure. ====================================================================== 7) Credits Discovered by Dyon Balding, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2007-5400 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://corporate.secunia.com/ 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/ 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://corporate.secunia.com/secunia_research/33/ Secunia regularly hires new skilled team members. Check the URL below to see currently vacant positions: http://secunia.com/secunia_vacancies/ Secunia offers a FREE mailing list called Secunia Security Advisories: http://secunia.com/secunia_security_advisories/ ====================================================================== 10) Verification Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2007-93/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================

References:

http://www.securityfocus.com/archive/1/archive/1/494749/100/0/threaded
http://service.real.com/realplayer/security/07252008_player/en/
http://secunia.com/secunia_research/2007-93/advisory/
http://secunia.com/advisories/27620


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