__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Adobe Reader 5.0.9 for UNIX "mailListIsPdf" function Vulnerability [Adobe Document 331153] December 15, 2004 21:00 GMT Number P-064 [REVISED 29 Dec 2004] ______________________________________________________________________________ PROBLEM: A boundary error in the "mailListIsPdf()" function when checking input files has been found. SOFTWARE: Adobe Reader for UNIX version 5.0.9. Red Hat Desktop (v. 3) Red Hat Enterprise Linux AS, ES, WS (v. 3) DAMAGE: A buffer overflow may occur by clicking on a link for a malicious PDF document or opening a malicious e-mail PDF attachment. SOLUTION: Update to version 5.0.10 for UNIX. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. This vulnerability requires user ASSESSMENT: intervention. A remote attacker may be able to execute arbitrary code with the permissions of the targeted user running this application. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/p-064.shtml ORIGINAL BULLETIN: http://www.adobe.com/support/techdocs/331153.html ADDITIONAL LINK: Red Hat Security Advisory RHSA-2004:674-07 https://rhn.redhat.com/errata/RHSA-2004-674.html CVE/CAN: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CAN-2004-1152 ______________________________________________________________________________ REVISION HISTORY: 12/29/2004 - added link to updated acrobat packages available in Red Hat Security Advisory RHSA-2004:674-07. [***** Start Adobe Document 331153 *****] Acrobat Reader 5.0.10 for UNIX addresses potential security vulnerability Issue A vulnerability exists in Adobe Acrobat Reader 5.0.9 for UNIX that could allow malicious code to access a user's computer under specific circumstances. Adobe is currently unaware of any attempts to maliciously exploit this vulnerability. Details The email function (mailListIsPdf) in Acrobat Reader 5.0.9 for UNIX is vulnerable to malicious content in PDF files received either as email attachments or links in email messages. Solution: Install Acrobat Reader 5.0.10 for UNIX. As a precaution, Adobe recommends that users download and install version 5.0.10 of Acrobat Reader for UNIX. To install this update, visit the Adobe website at www.adobe.com/products/acrobat/readstep2.html and select the appropriate UNIX platform variant (Linux, Sun Solaris SPARC, IBM AIX, or HP-UX). Alternatively, you can install the update from the Adobe text-only website at www.adobe.com/products/acrobat/alternate.html . Background information For more information, see document [CAN-2004-1152] on the Common Vulnerabilities and Exposures (CVE) website. Copyright © 2004 Adobe Systems Incorporated. All rights reserved. [***** End Adobe Document 331153 *****] _______________________________________________________________________________ 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. LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC) P-054: Microsoft WINS Vulnerability P-055: Microsoft WordPad Vulnerability P-056: Microsoft HyperTerminal Vulnerability P-057: Microsoft Windows Kernel and LSASS Vulnerabilities P-058: Sun Java System Web and Application Server Security Vulnerability P-059: Sendmail(1) Security Vulnerability P-060: Cisco Unity with Exchange Default Passwords Vulnerability P-061: Ethereal Multiple Vulnerabilities P-062: Updated ncompress Package Fix Security Issue and Bug P-063: Adobe Reader Security Vulnerabilities