__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN RealNetworks, Inc. Releases Update to Address Security Vulnerabilities [040928] October 1, 2004 17:00 GMT Number O-223 [REVISED 25 Jan 2005] ______________________________________________________________________________ PROBLEM: The updates protect against the following possible exploits: 1) Fashioning an RM file which corrupts the Player when run from a local drive; 2) Fashioning a web page with malformed calls, corrupting the embedded Player; 3) Fashioning a web page and a media file to allow deletion. PLATFORM: Windows: RealPlayer 10.5 (6.0.12.1040) English RealPlayer 10.5 Beta (6.0.12.1016) English RealPlayer 10 All Supported languages RealOne Player v1, v2 All supported languages RealPlayer 8, by vulnerability #1, All supported languages RealPlayer Enterprise, by vulnerability #1, English SuSE Linux 8.x SuSE Linux 9.0 SuSE Linux 9.1 SuSE Linux Desktop 1.x MacIntosh: Mac RealPlayer 10 Beta, by vulnerability #1, English Mac RealOne Player, by vulnerability #1, English Linux: Linux RealPlayer 10, by vulnerability #1, English Helix Player, by vulnerability #1, English DAMAGE: 1 & 2) Might allow an attacker to execute arbitrary code on a user's machine; 3) Might allow deletion of a file in a path known to the attacker. SOLUTION: Install the available updates. ______________________________________________________________________________ VULNERABILITY The risk is LOW. There are currently no active exploits. The ASSESSMENT: attacker must entice a user to either open a malicious file or visit a web site hosting a malicious file. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/o-223.shtml ORIGINAL BULLETIN: RealNetworks, Inc. 040928 http://service.real.com/help/faq/security/040928_player/ EN/ ADDITIONAL LINKS: US-CERT Vulnerability Note VU#698390 http://www.kb.cert.org/vuls/id/698390 Secunia Advisories: SA13994 http://secunia.com/advisories/13994/ SA12672 http://secunia.com/advisories/12672/ NGSSoftware Insight Security Research Advisory #NISR19012005e http://www.ngssoftware.com/advisories/real-01full.txt ______________________________________________________________________________ REVISION HISTORY: 01/25/2005 - added links to US-CERT Vulnerability Note VU#698390; Secunia Advisories: SA13994 for SuSE Linux 8.x, 9.0, 9.1, Desktop 1.x; SA12672 for Helix Player 1.x, RealOne Player v1, v2, RealPlayer 10.x, 8, and Enterprise; and for NGSSoftware Insight Security Research Advisory #NISR19012005e for RealPlayer 10.5 (6.0.12.1040) and older. [***** Start RealNetworks Bulletin #040928 *****] RealNetworks, Inc. Releases Update to Address Security Vulnerabilities. Updated September 28, 2004 RealNetworks Inc. has recently been made aware of security vulnerabilities that could potentially allow an attacker to run arbitrary or malicious code on a user's machine. While we have not received reports of anyone actually being attacked with this exploit, all security vulnerabilities are taken very seriously by RealNetworks Inc. Real has found and fixed the problem. The specific exploits were: * Exploit 1: To fashion an RM file which corrupts the Player when run from a local drive and which might allow an attacker to execute arbitrary code on a user's machine. * Exploit 2: To fashion a web page with malformed calls, corrupting the embedded Player, and which might allow an attacker to execute arbitrary code on a user's machine. * Exploit 3: To fashion a web page and a media file to allow deletion of a file in a path known to the attacker. Affected Software: Windows Software Affected? Language Update Available? RealPlayer 10.5 (6.0.12.1053) No All Supported Not required RealPlayer 10.5 (6.0.12.1040) Yes English Requires upgrade RealPlayer 10.5 Beta (6.0.12.1016) Yes English Requires upgrade RealPlayer 10 Yes All Supported Requires upgrade RealOne Player v1, v2 Yes All Supported Requires upgrade RealPlayer 8 By #1 All Supported Requires upgrade RealPlayer Enterprise By #1 English Yes Note: To see your Player version number (6.0.12.xxxx), select Help > About in the Player menus. Mac Software Affected? Language Update Available? Mac RealPlayer 10 No All Supported Not required Mac RealPlayer 10 Beta By #1 English Requires upgrade Mac RealOne Player By #1 English Yes Linux Software Affected? Language Update Available? Linux RealPlayer 10 By #1 English Yes Helix Player By #1 English Yes Handheld Devices Software Affected? Language Update Available? Nokia Series60 Handsets No English Not Required Helix Player for Symbian No English Not Required RealPlayer for Palm No English Not Required RealOne Player for Palm No English Not Required Workaround: To ensure that your Player is protected, we recommend installing the available updates. UPDATES Windows Players: RealOne Player (English only), RealOne Player v2, RealPlayer 10, and RealPlayer 10.5 (English only) requires a full download to correct this issue: 1. In the Tools menu select Check for Update. 2. Select the box next to the "RealPlayer 10.5 with Harmony™ Technology" component. 3. Click Install to download and install the update. RealPlayer 8 (version 6.0.9.584): 1. Go to the Help menu. 2. Select Check for Update. 3. Select the box next to the "RealPlayer 10.5 with Harmony™ Technology" component. 4. Click Install to download and install the update. 5. Then, follow the steps outlined above for RealPlayer 10 to add any additional security fixes. RealPlayer Enterprise Solution: Please click here to get a patch for your RealPlayer Enterprise. RealOne Player for Mac OS X Players: Mac OS X 10.2 and later: Please click here to get the latest RealPlayer 10 for Mac OS X. Mac OS X 10.1: Please click here to get an updated RealOne Player for Mac OS X. Linux Players: Please click here to get an updated RealPlayer 10 for Linux. Please click here to get an updated Helix Player for Linux. Acknowledgements: RealNetworks would also like to acknowledge John Heasman, eEye Digital Security, as well as other contributors for bringing these exploits to our attention and to all those who subsequently worked with us to correct the vulnerabilities. Warranty: While RealNetworks Inc. endeavors to provide you with the highest quality products and services, we cannot guarantee and do not warrant that the operation of any Real product will be error-free, uninterrupted or secure. See your original license agreement for details of our limited warranty or warranty disclaimer. [***** End RealNetworks Bulletin #040928 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of RealNetworks, Inc. for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. CIAC can be contacted at: Voice: +1 925-422-8193 (7x24) FAX: +1 925-423-8002 STU-III: +1 925-423-2604 E-mail: ciac@ciac.org Previous CIAC notices, anti-virus software, and other information are available from the CIAC Computer Security Archive. World Wide Web: http://www.ciac.org/ Anonymous FTP: ftp.ciac.org PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing communities receive CIAC bulletins. If you are not part of these communities, please contact your agency's response team to report incidents. Your agency's team will coordinate with CIAC. The Forum of Incident Response and Security Teams (FIRST) is a world-wide organization. A list of FIRST member organizations and their constituencies can be obtained via WWW at http://www.first.org/. This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes. 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