__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Tk Vulnerability [Debian Security Advisory DSA-1415-1] December 3, 2007 19:00 GMT Number S-067 [REVISED 22 Feb 2008] ______________________________________________________________________________ PROBLEM: It was discovered that Tk, a cross-platform graphical toolkit for Tcl performs insufficient input validation in the code used to load GIF images, which may lead to the execution of arbitrary code. PLATFORM: Debian GNU/Linux 3.1 (oldstable) and 4.0 (etch) Red Hat Desktop (v. 3, v. 4) Red Hat Enterprise Linux AS, ES, WS (v. 2.1, v.3, v.4) Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor RHEL Desktop Workstation (v. 5 Client) Red Hat Enterprise Linux (v. 5 server) Red Hat Enterprise Linux Desktop (v. 5 client) DAMAGE: May lead to the execution of arbitrary code. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. May lead to the execution of arbitrary ASSESSMENT: code. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/s-067.shtml ORIGINAL BULLETIN: http://www.debian.org/security/2007/dsa-1415 ADDITIONAL LINKS: http://www.debian.org/security/2007/dsa-1416 http://rhn.redhat.com/errata/RHSA-2008-0134.html http://rhn.redhat.com/errata/RHSA-2008-0135.html http://rhn.redhat.com/errata/RHSA-2008-0136.html CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2007-5378 ______________________________________________________________________________ REVISION HISTORY: 02/22/2008 - revised S-067 to add links to Red Hat RHSA-2008:0134-3; RHSA-2008:0135-2; and RHSA-2008:0136-1 for Red Hat Desktop (v. 3, v. 4), Red Hat Enterprise Linux AS, ES, WS (v. 2.1, v.3, v.4), Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor, RHEL Desktop Workstation (v. 5 Client), Red Hat Enterprise Linux (v. 5 server), and Red Hat Enterprise Linux Desktop (v. 5 client). [***** Start Debian Security Advisory DSA-1415-1 *****] Debian Security Advisory DSA-1415-1 tk8.4 -- buffer overflow Date Reported: 27 Nov 2007 Affected Packages: tk8.4 Vulnerable: Yes Security database references: In Mitre's CVE dictionary: CVE-2007-5378. More information: It was discovered that Tk, a cross-platform graphical toolkit for Tcl performs insufficient input validation in the code used to load GIF images, which may lead to the execution of arbitrary code. For the old stable distribution (sarge), this problem has been fixed in version 8.4.9-1sarge1. For the stable distribution (etch), this problem has been fixed in version 8.4.12-1etch1. We recommend that you upgrade your tk8.4 packages. Updated packages for sparc will be provided later. Fixed in: Debian GNU/Linux 3.1 (oldstable) Source: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1.diff.gz http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9.orig.tar.gz http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1.dsc Architecture-independent component: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-doc_8.4.9-1sarge1_all.deb Alpha: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.9-1sarge1_alpha.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1_alpha.deb AMD64: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1_amd64.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.9-1sarge1_amd64.deb ARM: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1_arm.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.9-1sarge1_arm.deb HP Precision: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.9-1sarge1_hppa.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1_hppa.deb Intel IA-32: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1_i386.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.9-1sarge1_i386.deb Intel IA-64: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.9-1sarge1_ia64.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1_ia64.deb Motorola 680x0: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1_m68k.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.9-1sarge1_m68k.deb Big-endian MIPS: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.9-1sarge1_mips.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1_mips.deb Little-endian MIPS: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1_mipsel.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.9-1sarge1_mipsel.deb PowerPC: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.9-1sarge1_powerpc.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1_powerpc.deb IBM S/390: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.9-1sarge1_s390.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.9-1sarge1_s390.deb Debian 4.0 (etch) Source: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1.diff.gz http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1.dsc http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12.orig.tar.gz Architecture-independent component: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-doc_8.4.12-1etch1_all.deb Alpha: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.12-1etch1_alpha.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1_alpha.deb AMD64: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.12-1etch1_amd64.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1_amd64.deb ARM: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1_arm.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.12-1etch1_arm.deb HP Precision: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.12-1etch1_hppa.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1_hppa.deb Intel IA-32: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.12-1etch1_i386.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1_i386.deb Intel IA-64: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1_ia64.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.12-1etch1_ia64.deb Big-endian MIPS: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1_mips.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.12-1etch1_mips.deb Little-endian MIPS: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1_mipsel.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.12-1etch1_mipsel.deb PowerPC: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.12-1etch1_powerpc.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1_powerpc.deb IBM S/390: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.12-1etch1_s390.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1_s390.deb Sun Sparc: http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4-dev_8.4.12-1etch1_sparc.deb http://security.debian.org/pool/updates/main/t/tk8.4/tk8.4_8.4.12-1etch1_sparc.deb MD5 checksums of the listed files are available in the original advisory. [***** End Debian Security Advisory DSA-1415-1 *****] _______________________________________________________________________________ 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. 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