__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Adobe Reader Vulnerability [Adobe Security Advisory Document 329083] July 11, 2005 17:00 GMT Number P-242 ______________________________________________________________________________ PROBLEM: A buffer overflow vulnerability was discovered in Adobe Reader running on Linux, Solaris, HP-UX and IBM-AIX. PLATFORM: Adobe Reader 5.0.9 or 5.0.10 running on Linux, Solaris, HP-UX and IBM-AIX DAMAGE: Opening a malicious pdf file may cause a stack based buffer overflow and allow an attacker to execute arbitrary code. SOLUTION: Apply the security updates. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. If exploited, an attacker may execute ASSESSMENT: arbitrary code in the context of the user running the application. Remote exploitation may occur if a user is persuaded to visit a malicious web site or execute a malicious e-mail attachment. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/p-242.shtml ORIGINAL BULLETIN: http://www.adobe.com/support/techdocs/329083.html ADDITIONAL LINK: Red Hat Security Advisory RHSA-2005:575-11 https://rhn.redhat.com/errata/RHSA-2005-575.html CVE/CAN: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= 2005-1625 ______________________________________________________________________________ [***** Start Adobe Security Advisory Document 329083 *****] Security Advisory: Buffer overflow vulnerability in Adobe Reader (Linux, Solaris, HP-UX, IBM-AIX) Advisory Name: Buffer overflow vulnerability in Adobe Reader Release Date: July 05, 2005 Product: Adobe Reader 5.0.9, 5.0.10 Platform: Linux, Solaris, HP-UX, IBM-AIX Vulnerability Identifier: CAN-2005-1625 Overview: A vulnerability within Adobe Reader has been identified. Under certain circumstances, remote exploitation of a buffer overflow in Adobe Reader could allow an attacker to execute arbitrary code. Adobe has solutions available that can rectify these issues. Please refer to the "Recommendations" section for further information. Effect: If exploited, it could allow the execution of arbitrary code under the privileges of the local user. Remote exploitation is possible if the malicious PDF document is sent as an email attachment or if the PDF document is accessed via a web link. Details: The vulnerability is within the Adobe Reader control. Under special circumstances, if a malicious PDF file is opened using Adobe Reader, a stack buffer overflow could occur resulting in the execution of arbitrary code. Recommendations: Do one of the following: -- If you use Adobe Reader 5.0.9 or 5.0.10 on Linux or Solaris, download Adobe Reader 7.0 at www.adobe.com/products/acrobat/readstep2.html. -- If you use Adobe Reader 5.0.9 or 5.0.10 on IBM-AIX or HP-UX, download Adobe Reader 5.0.11 at www.adobe.com/products/acrobat/readstep2.html. Caveats: None Vulnerability Identifier Cross-Reference: CVE ID: CAN-2005-1625 Acknowledgment: Adobe would like to thank iDEFENSE Labs, for reporting the issue. Adobe Disclaimer License agreement By using software of Adobe Systems Incorporated or its subsidiaries ("Adobe"); you agree to the following terms and conditions. If you do not agree with such terms and conditions; do not use the software. The terms of an end user license agreement accompanying a particular software file upon installation or download of the software shall supersede the terms presented below. The export and re-export of Adobe software products are controlled by the United States Export Administration Regulations and such software may not be exported or re-exported to Cuba; Iran; Iraq; Libya; North Korea; Sudan; or Syria or any country to which the United States embargoes goods. In addition; Adobe software may not be distributed to persons on the Table of Denial Orders; the Entity List; or the List of Specially Designated Nationals. By downloading or using an Adobe software product you are certifying that you are not a national of Cuba; Iran; Iraq; Libya; North Korea; Sudan; or Syria or any country to which the United States embargoes goods and that you are not a person on the Table of Denial Orders; the Entity List; or the List of Specially Designated Nationals. If the software is designed for use with an application software product (the "Host Application") published by Adobe; Adobe grants you a non-exclusive license to use such software with the Host Application only; provided you possess a valid license from Adobe for the Host Application. Except as set forth below; such software is licensed to you subject to the terms and conditions of the End User License Agreement from Adobe governing your use of the Host Application. DISCLAIMER OF WARRANTIES: YOU AGREE THAT ADOBE HAS MADE NO EXPRESS WARRANTIES TO YOU REGARDING THE SOFTWARE AND THAT THE SOFTWARE IS BEING PROVIDED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND. ADOBE DISCLAIMS ALL WARRANTIES WITH REGARD TO THE SOFTWARE; EXPRESS OR IMPLIED; INCLUDING; WITHOUT LIMITATION; ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE; MERCHANTABILITY; MERCHANTABLE QUALITY OR NONINFRINGEMENT OF THIRD PARTY RIGHTS. Some states or jurisdictions do not allow the exclusion of implied warranties; so the above limitations may not apply to you. LIMIT OF LIABILITY: IN NO EVENT WILL ADOBE BE LIABLE TO YOU FOR ANY LOSS OF USE; INTERRUPTION OF BUSINESS; OR ANY DIRECT; INDIRECT; SPECIAL; INCIDENTAL; OR CONSEQUENTIAL DAMAGES OF ANY KIND (INCLUDING LOST PROFITS) REGARDLESS OF THE FORM OF ACTION WHETHER IN CONTRACT; TORT (INCLUDING NEGLIGENCE); STRICT PRODUCT LIABILITY OR OTHERWISE; EVEN IF ADOBE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Some states or jurisdictions do not allow the exclusion or limitation of incidental or consequential damages; so the above limitation or exclusion may not apply to you. [***** End Adobe Security Advisory Document 329083 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Adobe 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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