__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Konqueror Secure Cookie Vulnerability [KDE Security Advisory] September 11, 2002 20:00 GMT Number M-124 ______________________________________________________________________________ PROBLEM: Konqueror fails to detect the "secure" flag in HTTP cookies and as a result may send secure cookies back to the originating site over an unencrypted network connection. PLATFORM: Konqueror in KDE 3.0, KDE 3.0.1 and KDE 3.0.2. DAMAGE: Sessions could be hijacked or accounts compromised. SOLUTION: Upgrade to KDE 3.0.3 or apply patch. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. An attacker eavesdropping on the ASSESSMENT: unencrypted network could obtain information that could lead to a session hijack or compromised account. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/-124.shtml ORIGINAL BULLETIN: http://www.kde.org/info/security/advisory-20020908-1.txt PATCHES: ftp://ftp.kde.org/pub/kde/security_patches ______________________________________________________________________________ [***** Start KDE Security Advisory *****] KDE Security Advisory: Secure Cookie Vulnerability Original Release Date: 2002-09-08 URL: http://www.kde.org/info/security/advisory-20020908-1.txt 0. References None. 1. Systems affected: Konqueror in KDE 3.0, KDE 3.0.1 and KDE 3.0.2. KDE 2.2.2 and KDE 3.0.3 are NOT affected. 2. Overview: Konqueror fails to detect the "secure" flag in HTTP cookies and as a result may send secure cookies back to the originating site over an unencrypted network connection. 3. Impact: A secure session that relies solely on secure cookies for identifying the session can possibly be hijacked, or an account which relies solely on secure cookies for logging on may be compromised, by an attacker who manages to eavesdrop on the unencrypted network connection. 4. Solution: Upgrade to KDE 3.0.3 in which this problem is fixed or apply the patch below. 5. Patch: A patch for KDE 3.0, KDE 3.0.1 and KDE 3.0.2 is available from ftp://ftp.kde.org/pub/kde/security_patches : 1abff4a02381b5ca11273d02c6a5c6ca post-3.0-kdelibs-kcookiejar.diff [***** End KDE Security Advisory *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of KDE 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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