__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Buffer Overflow in xpdf [DSA-619-1 xpdf -- buffer overflow] January 3, 2005 20:00 GMT Number P-087 [REVISED 13 Jan 2005] SUPERCEDED BY P-142 [REVISED 27 Jan 2005] [REVISED 18 Feb 2005] ______________________________________________________________________________ PROBLEM: A vulnerability was discovered in xpdf, the portable document format (PDF) suite. PLATFORM: Debian GNU/Linux 3.0 (woody) Fedora Core 2 Fedora Core 3 Red Hat Desktop (v. 3) Red Hat Enterprise Linux AS, ES, WS (v. 3) DAMAGE: A maliciously crafted PDF file may cause a buffer overflow in xpdf and may allow the attacker to execute arbitrary code. SOLUTION: Apply the available security updates. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. May allow arbitrary code execution as the ASSESSMENT: user running xpdf. (See also: CIAC Bulletin P-088) ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/p-087.shtml ORIGINAL BULLETIN: http://www.debian.org/security/2004/dsa-619 ADDITIONAL LINKS: https://www.redhat.com/archives/fedora-announce-list/ 2004-December/msg00099.html https://www.redhat.com/archives/fedora-announce-list/ 2004-December/msg00102.html Red Hat RHSA-2005:013-20 https://rhn.redhat.com/errata/RHSA-2005-013.html Red Hat RHSA-2005:018-04 https://rhn.redhat.com/errata/RHSA-2005-018.html SGI Security Advisory #20050101-01-U Security Update #23 http://www.sgi.com/support/security/advisories.html CVE/CAN: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CAN-2004-1125 ______________________________________________________________________________ REVISION HISTORY: 01/13/2005 - added links to Red Hat RHSA-2005:018-04 and RHSA-2005:013-20. 01/27/2005- added a link to SGI Security Advisory #20050101-01-U for SGI Advanced Linux Enterprise 3 Security Update #23. 02/18/2005 - superceded by CIAC Bulletin P-142. [***** Start DSA-619-1 xpdf -- buffer overflow *****] Debian Security Advisory DSA-619-1 xpdf -- buffer overflow Date Reported: 30 Dec 2004 Affected Packages: xpdf Vulnerable: Yes Security database references: In the Debian bugtracking system: Bug 286742, Bug 286983. In Mitre's CVE dictionary: CAN-2004-1125. More information: An iDEFENSE security researcher discovered a buffer overflow in xpdf, the portable document format (PDF) suite. A maliciously crafted PDF file could exploit this problem, resulting in the execution of arbitrary code. For the stable distribution (woody) this problem has been fixed in version 1.00-3.3. For the unstable distribution (sid) this problem has been fixed in version 3.00-11. We recommend that you upgrade your xpdf package immediately. Fixed in: Debian GNU/Linux 3.0 (woody) Source: http://security.debian.org/pool/updates/main/x/xpdf/xpdf_1.00-3.3.dsc http://security.debian.org/pool/updates/main/x/xpdf/xpdf_1.00-3.3.diff.gz http://security.debian.org/pool/updates/main/x/xpdf/xpdf_1.00.orig.tar.gz Architecture-independent component: http://security.debian.org/pool/updates/main/x/xpdf/xpdf-common_1.00-3.3_ all.deb http://security.debian.org/pool/updates/main/x/xpdf/xpdf_1.00-3.3_all.deb Alpha: http://security.debian.org/pool/updates/main/x/xpdf/xpdf-reader_1.00-3.3_ alpha.deb http://security.debian.org/pool/updates/main/x/xpdf/xpdf-utils_1.00-3.3_ alpha.deb ARM: http://security.debian.org/pool/updates/main/x/xpdf/xpdf-reader_1.00-3.3_ arm.deb http://security.debian.org/pool/updates/main/x/xpdf/xpdf-utils_1.00-3.3_ arm.deb Intel IA-32: http://security.debian.org/pool/updates/main/x/xpdf/xpdf-reader_1.00-3.3_ i386.deb http://security.debian.org/pool/updates/main/x/xpdf/xpdf-utils_1.00-3.3_ i386.deb Intel IA-64: http://security.debian.org/pool/updates/main/x/xpdf/xpdf-reader_1.00-3.3_ ia64.deb http://security.debian.org/pool/updates/main/x/xpdf/xpdf-utils_1.00-3.3_ ia64.deb HPPA: http://security.debian.org/pool/updates/main/x/xpdf/xpdf-reader_1.00-3.3_ hppa.deb http://security.debian.org/pool/updates/main/x/xpdf/xpdf-utils_1.00-3.3 _hppa.deb Motorola 680x0: http://security.debian.org/pool/updates/main/x/xpdf/xpdf-reader_1.00-3.3_ m68k.deb http://security.debian.org/pool/updates/main/x/xpdf/xpdf-utils_1.00-3.3_ m68k.deb Big endian MIPS: http://security.debian.org/pool/updates/main/x/xpdf/xpdf-reader_1.00-3.3_ mips.deb http://security.debian.org/pool/updates/main/x/xpdf/xpdf-utils_1.00-3.3_ mips.deb Little endian MIPS: http://security.debian.org/pool/updates/main/x/xpdf/xpdf-reader_1.00-3.3_ mipsel.deb http://security.debian.org/pool/updates/main/x/xpdf/xpdf-utils_1.00-3.3_ mipsel.deb PowerPC: http://security.debian.org/pool/updates/main/x/xpdf/xpdf-reader_1.00-3.3_ powerpc.deb http://security.debian.org/pool/updates/main/x/xpdf/xpdf-utils_1.00-3.3_ powerpc.deb IBM S/390: http://security.debian.org/pool/updates/main/x/xpdf/xpdf-reader_1.00-3.3_ s390.deb http://security.debian.org/pool/updates/main/x/xpdf/xpdf-utils_1.00-3.3_ s390.deb Sun Sparc: http://security.debian.org/pool/updates/main/x/xpdf/xpdf-reader_1.00-3.3_ sparc.deb http://security.debian.org/pool/updates/main/x/xpdf/xpdf-utils_1.00-3.3_ sparc.deb MD5 checksums of the listed files are available in the original advisory. [***** End DSA-619-1 xpdf -- buffer overflow *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Debian 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-077: "paginit" Command Vulnerability P-078: Diag script Vulnerability P-079: "chcod" Command Vulnerability P-080: "lsvpd" Untrusted Path Vulnerability P-081: Linux Kernel Vulnerabilities P-082: 'tiff' Insufficient Input Validation P-083: Netscape Directory Server on HP-UX LDAP Vulnerability P-084: TikiWiki Vulnerability P-085: HP-UX SAM Local Privilege Increase P-086: Perl Insecure Temporary Files/Directories