__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN OpenBSD bgplg 'cmd' Parameter Vulnerability [Security Focus 27535] February 1, 2008 19:00 GMT Number S-156 ______________________________________________________________________________ PROBLEM: OpenBSD bgplg is prone to a cross-site scripting vulnerability because the application fails to properly sanitize user-supplied input. PLATFORM: OpenBSD 4.1 DAMAGE: Execute arbitrary code. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. An attacker may leverage this issue to ASSESSMENT: execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may help the attacker steal cookie-based authentication credentials and launch other attacks. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/s-156.shtml ORIGINAL BULLETIN: http://www.securityfocus.com/bid/27535 ______________________________________________________________________________ [***** Start Security Focus 27535 *****] OpenBSD bgplg 'cmd' Parameter Cross-Site Scripting Vulnerability OpenBSD bgplg is prone to a cross-site scripting vulnerability because the application fails to properly sanitize user-supplied input. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may help the attacker steal cookie-based authentication credentials and launch other attacks. bgplg shipped with OpenBSD 4.1 is vulnerable; other versions may also be affected. Bugtraq ID: 27535 Class: Input Validation Error CVE: Remote: Yes Local: No Published: Oct 10 2007 12:00AM Updated: Jan 31 2008 06:27PM Credit: Anton Karpov is credited with the discovery of this vulnerability. Vulnerable: OpenBSD OpenBSD 4.1 OpenBSD bgplg 0 [***** End Security Focus 27535 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Security Focus 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) S-146: Joomla! PHP Vulnerabilities S-147: Connectix Boards 'part_userprofile.php' Vulnerability S-148: SQLiteManager 'confirm.php' Vulnerability S-149: SafeNET HighAssurance Remote and SoftRemote IPSecDrv.SYS Vulnerability S-150: IBM AIX 'piox25.c/poix25remote.sh' Vulnerability S-151: Chilkat Email 'ChilkatCert.dll' Vulnerability S-152: WordPress Plugin AdServe Vulnerability S-153: AmpJuke 'index.php' Vulnerability S-154: SwiftView ActiveX Control and Plug-in Vulnerability S-155: Gnumeric XLS HLINK Opcode Handling Vulnerability