__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN RealNetworks Releases Security Updates [RealNetworks, Inc. April 19, 2005 Customer Support Document] April 20, 2005 19:00 GMT Number P-189 [REVISED 21 Apr 2005] ______________________________________________________________________________ PROBLEM: RealNetworks, Inc. has released patches for a recently discovered security vulnerability. A flaw was discovered in RAM (Real Audio Media) files. RealNetworks reports that there are no known exploits at this time. PLATFORM: Windows: RealPlayer 10.5 (6.0.12.1040-1059) RealPlayer 10 RealOne Player v2 RealOne Player v1 RealPlayer 8 RealPlayer Enterprise Mac: Mac RealPlayer 10 (10.0.0.305 - 331) Mac RealOne Player Linux: Linux RealPlayer 10 (10.0.0 - 3) Helix Player (10.0.0 - 3) DAMAGE: An attacker may potentially run malicious code on a victim’s machine. SOLUTION: Apply available security updates. ______________________________________________________________________________ VULNERABILITY The risk is LOW. An attacker may craft a malicious RAM file ASSESSMENT: that may cause a buffer overflow allowing the attacker to execute arbitrary code on a victim’s machine. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/p-189.shtml ORIGINAL BULLETIN: http://service.real.com/help/faq/security/050419_player/EN/ ADDITIONAL LINKS: Red Hat Security Advisory RHSA-2005:363-07 https://rhn.redhat.com/errata/RHSA-2005-363.html Red Hat Security Advisory RHSA-2005:392-06 https://rhn.redhat.com/errata/RHSA-2005-392.html Red Hat Security Advisory RHSA-2005:394-04 https://rhn.redhat.com/errata/RHSA-2005-394.html Secunia Advisory: SA15023 http://secunia.com/advisories/15023/print/ CVE/CAN: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CAN-2005-0755 ______________________________________________________________________________ REVISION HISTORY: 04/21/2005 - added link to Red Hat RHSA-2005-392 that provides updated packages for Red Hat v. 3. [***** Start RealNetworks, Inc. April 19, 2005 Customer Support Document *****] RealNetworks, Inc. Releases Update to Address Security Vulnerabilities. Updated April 19, 2005 RealNetworks, Inc. has addressed recently discovered a security vulnerability that offered the potential for an attacker to run arbitrary or malicious code on a customer's machine. RealNetworks has received no reports of machines compromised as a result of the now-remedied vulnerabilities. RealNetworks takes all security vulnerabilities very seriously. The specific exploit was: * To fashion a malicious RAM file to cause a buffer overflow which could have allowed an attacker to execute arbitrary code on a customer's machine. Affected Software: (see BLUE below) Windows Software Affected? Language Update Available? RealPlayer 10.5 (6.0.12.1069) No All Supported Not required RealPlayer 10.5 (6.0.12.1040-1059) Yes All Supported Yes RealPlayer 10 Yes All Supported Yes RealOne Player v2 Yes All Supported Requires upgrade RealOne Player v1 Yes English Requires upgrade RealPlayer 8 Yes All Supported Requires upgrade RealPlayer Enterprise Yes English Yes Note: To see your Player version number (6.0.x.xxxx), select Help > About in the Player menus. Mac Software Affected? Language Update Available? Mac RealPlayer 10 (10.0.0.305 - 331) Yes All Supported Yes Mac RealOne Player Yes English Requires upgrade Note: To see your Player version number (10.0.0.xxx), select About in the RealPlayer menu. Linux Software Affected? Language Update Available? Linux RealPlayer 10 (10.0.4) No All Provided Not required Helix Player (10.0.4) No All Provided Not required Linux RealPlayer 10 (10.0.0 - 3) Yes All Provided Requires upgrade Helix Player (10.0.0 - 3) Yes All Provided Requires upgrade Note: To see your Player version number (10.0.0.xxx), select Help > About in the Player menu. Handheld Devices Software Affected? Language Update Available? Nokia Series60 Handsets 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: RealPlayer 10 and RealPlayer 10.5 customers please click here or use the following steps to update your Player: 1. In the Tools menu select Check for Update. 2. Select the box next to the "Security Update - April 2005" component. 3. Click Install to download and install the update. RealOne Player (English only) and RealOne Player V2 require a full download to correct this issue. Please click here or use the following steps to upgrade your Player: 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) please click here or use the following steps to upgrade your Player: 1. Go 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. RealPlayer Enterprise Solution: Please click here to get a patch for your RealPlayer Enterprise. Mac Players: RealPlayer 10 for Mac OS X customers please use the following steps to update your Player: 1. Go the RealPlayer menu. 2. Choose Check for Update. 3. Select the box next to the "Security Update - April 2005" component. 4. Click Install to download and install the update. RealOne Player for Mac OSX customers need to upgrade to RealPlayer 10 for Mac OSX and then apply the update to address this security issue. Please click here to upgrade your Player. Afterwards, please follow the steps outlined above for RealPlayer 10 to get this additional update. Linux Players: Please click here to get an updated RealPlayer 10 for Linux. Please click here to get an updated Helix Player for Linux. German English Spanish French Italian Portuguese Japanese Korean Simplified Chinese Traditional Chinese Acknowledgements: RealNetworks would like to acknowledge Piotr Bania for bringing this exploit to our attention as well those who subsequently worked with RealNetworks to correct the vulnerabilities. Warranty: RealNetworks Inc. endeavors to provide you with the highest quality products and services, but cannot guarantee, and does not warrant, that the operation of any RealNetworks product will be error-free, uninterrupted or secure. Please see your original license agreement for details of our limited warranty or warranty disclaimer. [***** End RealNetworks, Inc. April 19, 2005 Customer Support Document *****] _______________________________________________________________________________ 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. LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC) P-179: Vulnerability in Windows Shell (893086) P-180: Vulnerabilities in Windows Kernel (890859) P-181: Cisco Products Vulnerable to DoS via Crafted ICMP Messages P-182: Oracle Critical Patch Update - April 2005 P-183: The Sun ONE and JES Directory Server Contain a Buffer Overflow involving LDAP P-184: libexif P-185: Apple Mac OS X v10.3.9 Security Update P-186: Possible Network Port Theft in Solaris P-187: Sun Java System Web Proxy Server Vulnerability P-188: Security Vulnerabilities Addressed in Red Hat Kernel Update