__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN RealNetworks Security Update [RealNetworks Security Update of November 10, 2005] December 5, 2005 16:00 GMT Number Q-067 ______________________________________________________________________________ PROBLEM: Various security vulnerabilities were discovered in Real Networks products. PLATFORM: Vulnerable to #2 Damage listed below: * RealPlayer 10.5 (6.0.12.1040-1235) (Windows) * RealPlayer 10 (Windows) * RealOne Player v1 (Windows) * RealOne Player v2 (Windows) * RealPlayer 8 (Windows) * RealPlayer Enterprise versions 1.1, 1.2, 1.5, 1.6 and 1.7 (Windows) * RealPlayer 10 (10.0.0.305 - 331) (Mac) * RealPlayer 10 (10.0.0 - 10.0.5) (Linux) * Helix Player (10.0.0 - 10.0.5) (Linux) Vulnerable to #3 Damage listed below: * RealPlayer 10.5 (6.0.12.1040-1235) (Windows) * RealPlayer 10 (Windows) * RealOne Player v1 (Windows) * RealOne Player v2 (Windows) * RealPlayer 8 (Windows) DAMAGE: The worst of the vulnerabilities could allow a remote attacker to run arbitrary code on a victim's machine. The three reported vulnerabilities are: 1: To fashion a malicious skin file to cause a stack overflow which could have allowed an attacker to execute arbitrary code on a customer's machine. 2: To fashion a malicious RealMedia file which could have caused stack overflow to allow an attacker to execute arbitrary code on a customer's machine. 3: To fashion a malicious skin file to cause a stack overflow which could have allowed an attacker to execute arbitrary code on a customer's machine. The buffer overrun was designed to occur in a 3rd-party compression library. SOLUTION: Apply the available security updates. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. A remote intruder can run arbitrary code on ASSESSMENT: a user's system with the permissions of the logged in user. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/q-067.shtml ORIGINAL BULLETIN: http://service.real.com/help/faq/security/051110_player/EN/ http://service.real.com/help/faq/security/security111005.html ADDITIONAL LINK: Debian Security Advisory DSA-915-1 http://www.debian.org/security/2005/dsa-915 CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2005-2629 ______________________________________________________________________________ [***** Start RealNetworks Security Update of November 10, 2005 *****] RealNetworks, Inc. Releases Update to Address Security Vulnerabilities. Updated November 10, 2005 RealNetworks, Inc. has addressed recently discovered security vulnerabilities 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. Affected Software: (see BLUE below) Windows Software Affected? Language Update Available? RealPlayer 10.5 (6.0.12.XXXX) No All supported Not required RealPlayer 10.5 (6.0.12.1040-1235) By All All supported Yes RealPlayer 10 By All All supported Requires upgrade RealOne Player v2 By #2 & #3 All supported Requires upgrade RealOne Player v1 By #2 & #3 English Requires upgrade RealPlayer 8 By #2 & #3 All supported Requires upgrade RealPlayer Enterprise By #2 English Yes Note: To see your Player version number (6.0.x.xxxx), select Help > About in the Player menus. Software Affected? Language Update Available? Rhapsody 3 (build 0.815 - 0.1141) No All supported Not required Rhapsody 2 No All supported Not required Note: To see your Rhapsody version number (build 0.xxx), select Help > About in the Rhapsody menu. Mac Software Affected? Language Update Available? Mac RealPlayer 10 (10.0.0.305 - 331) By #2 All Supported Yes Mac RealOne Player No 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 (10.0.6) No All Provided Not required Helix Player (10.0.6) No All Provided Not required Linux RealPlayer 10 (10.0.0 - 5) By #2 All Provided Requires upgrade Helix Player (10.0.0 - 5) By #2 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 10.5 customers pleaseclick 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 "Security Update - November" component. 3. Click Install to download and install the update. RealOne Player (English only), RealOne Player V2, and RealPlayer 10 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 - November 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. Exploit Specifics: * Exploit 1: To fashion a malicious skin file to cause a stack overflow which could have allowed an attacker to execute arbitrary code on a customer's machine. * Exploit 2: To fashion a malicious RealMedia file which could have caused stack overflow to allow an attacker to execute arbitrary code on a customer's machine. * Exploit 3: To fashion a malicious skin file to cause a stack overflow which could have allowed an attacker to execute arbitrary code on a customer's machine. The buffer overrun was designed to occur in a 3rd-party compression library. Acknowledgements: RealNetworks would like to acknowledge John Heasman of NGS Software, and eEye Digital Security for bringing these exploits to our attention as well as 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. Security Patch Update For Realplayer Enterprise Updated November 10, 2005 RealNetworks, Inc. has recently discovered security vulnerabilities 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 exploits were: * Exploit 1: To fashion a malicious skin file to cause a stack overflow which could have allowed an attacker to execute arbitrary code on a customer's machine. * Exploit 2: To fashion a malicious RealMedia file which could have caused stack overflow to allow an attacker to execute arbitrary code on a customer's machine. * Exploit 3: To fashion a malicious skin file to cause a stack overflow which could have allowed an attacker to execute arbitrary code on a customer's machine. The buffer overrun was designed to occur in a 3rd-party compression library. Impacted Products and Versions: This affects versions 1.1, 1.2, 1.5, 1.6 and 1.7 of RealPlayer Enterprise (standalone and as configured by the RealPlayer Enterprise Manager). Workaround To ensure that your Player is protected, we recommend installing the available update. UPDATES RealPlayer Enterprise Solution: Please click here to get the updated RealPlayer Enterprise. You PAM site will contain a complete / updated copy of RPEM / RDM. Acknowledgements: RealNetworks would like to acknowledge John Heasman of NGS Software, and eEye Digital Security for bringing these exploits to our attention as well as 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 Security Update of November 10, 2005 *****] _______________________________________________________________________________ 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) Q-058: netpbm-free -- buffer overflows Q-059: Vulnerability in the way Internet Explorer Handles onLoad Events Q-060: Solaris 10 traceroute Vulnerability Q-061: JMX in JRE 5 Untrusted Applet May Elevate Privileges Q-062: Cisco PIX Spoofed TCP SYN Packets Block TCP Connections Q-063: Cisco Security Agent Allows Execution of Arbitrary Code Q-064: Apple Security Update 2005-009 Q-065: Internet Key Exchange (IKEv1) Implementation Vulnerabilities Q-066: Cisco IOS HTTP Server Command Injection Vulnerability