__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN 'ruby 1.8' Vulnerability [Debian Security Advisory DSA 748] July 11, 2005 17:00 GMT Number P-243 [REVISED 05 Aug 2005] ______________________________________________________________________________ PROBLEM: A vulnerability was discovered in ruby 1.8. Ruby is an open-source scripting language for object-oriented programming. PLATFORM: Unstable distributions of Debian GNU/Linux 3.0 (woody) DAMAGE: This vulnerability may allow arbitrary command execution on a server running the ruby xmlrpc server. SOLUTION: Apply the security updates. ______________________________________________________________________________ VULNERABILITY The risk is LOW. Exploiting this vulnerability may allow ASSESSMENT: arbitrary code execution. The vulnerable version of ruby was not included in the stable distributions of Debian Linux 3.0 (woody) or 3.1 (sarge). It was only included in the unstable distributions of 3.0. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/p-243.shtml ORIGINAL BULLETIN: http://www.debian.org/security/2005/dsa-748 ADDITIONAL LINK: Red Hat Security Advisory RHSA-2005:543-08 https://rhn.redhat.com/errata/RHSA-2005-543.html CVE/CAN: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CAN-2005-1992 ______________________________________________________________________________ REVSION HISTORY: 08/05/2005 – revised to add a link to Red Hat Security Advisory RHSA-2005:543. [***** Start Debian Security Advisory DSA 748 *****] Debian Security Advisory DSA-748-1 ruby1.8 -- bad default value Date Reported: 10 Jul 2005 Affected Packages: ruby1.8 Vulnerable: Yes Security database references: In Mitre's CVE dictionary: CAN-2005-1992. More information: A vulnerability has been discovered in ruby1.8 that could allow arbitrary command execution on a server running the ruby xmlrpc server. The old stable distribution (woody) did not include ruby1.8. This problem is fixed for the current stable distribution (sarge) in version 1.8.2-7sarge1. This problem is fixed for the unstable distribution in version 1.8.2-8. We recommend that you upgrade your ruby1.8 package. Fixed in: Debian GNU/Linux 3.1 (sarge) Source: http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1.dsc http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1.diff.gz http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2.orig.tar.g z Architecture-independent component: http://security.debian.org/pool/updates/main/r/ruby1.8/ri1.8_1.8.2- 7sarge1_all.deb http://security.debian.org/pool/updates/main/r/ruby1.8/irb1.8_1.8.2- 7sarge1_all.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- examples_1.8.2-7sarge1_all.deb http://security.debian.org/pool/updates/main/r/ruby1.8/rdoc1.8_1.8.2- 7sarge1_all.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- elisp_1.8.2-7sarge1_all.deb Alpha: http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1_alpha.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm- ruby1.8_1.8.2-7sarge1_alpha.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm- ruby1.8_1.8.2-7sarge1_alpha.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2- 7sarge1_alpha.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- dev_1.8.2-7sarge1_alpha.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8- dbg_1.8.2-7sarge1_alpha.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline- ruby1.8_1.8.2-7sarge1_alpha.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk- ruby1.8_1.8.2-7sarge1_alpha.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl- ruby1.8_1.8.2-7sarge1_alpha.deb ARM: http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8- dbg_1.8.2-7sarge1_arm.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk- ruby1.8_1.8.2-7sarge1_arm.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2- 7sarge1_arm.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1_arm.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline- ruby1.8_1.8.2-7sarge1_arm.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- dev_1.8.2-7sarge1_arm.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm- ruby1.8_1.8.2-7sarge1_arm.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm- ruby1.8_1.8.2-7sarge1_arm.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl- ruby1.8_1.8.2-7sarge1_arm.deb HP Precision: http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm- ruby1.8_1.8.2-7sarge1_hppa.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline- ruby1.8_1.8.2-7sarge1_hppa.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl- ruby1.8_1.8.2-7sarge1_hppa.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2- 7sarge1_hppa.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk- ruby1.8_1.8.2-7sarge1_hppa.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8- dbg_1.8.2-7sarge1_hppa.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- dev_1.8.2-7sarge1_hppa.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1_hppa.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm- ruby1.8_1.8.2-7sarge1_hppa.deb Intel IA-32: http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8- dbg_1.8.2-7sarge1_i386.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk- ruby1.8_1.8.2-7sarge1_i386.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- dev_1.8.2-7sarge1_i386.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1_i386.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm- ruby1.8_1.8.2-7sarge1_i386.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm- ruby1.8_1.8.2-7sarge1_i386.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl- ruby1.8_1.8.2-7sarge1_i386.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline- ruby1.8_1.8.2-7sarge1_i386.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2- 7sarge1_i386.deb Intel IA-64: http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- dev_1.8.2-7sarge1_ia64.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1_ia64.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm- ruby1.8_1.8.2-7sarge1_ia64.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl- ruby1.8_1.8.2-7sarge1_ia64.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2- 7sarge1_ia64.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk- ruby1.8_1.8.2-7sarge1_ia64.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline- ruby1.8_1.8.2-7sarge1_ia64.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm- ruby1.8_1.8.2-7sarge1_ia64.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8- dbg_1.8.2-7sarge1_ia64.deb Motorola 680x0: http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl- ruby1.8_1.8.2-7sarge1_m68k.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm- ruby1.8_1.8.2-7sarge1_m68k.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2- 7sarge1_m68k.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk- ruby1.8_1.8.2-7sarge1_m68k.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1_m68k.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm- ruby1.8_1.8.2-7sarge1_m68k.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8- dbg_1.8.2-7sarge1_m68k.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline- ruby1.8_1.8.2-7sarge1_m68k.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- dev_1.8.2-7sarge1_m68k.deb Big-endian MIPS: http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- dev_1.8.2-7sarge1_mips.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8- dbg_1.8.2-7sarge1_mips.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm- ruby1.8_1.8.2-7sarge1_mips.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk- ruby1.8_1.8.2-7sarge1_mips.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1_mips.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl- ruby1.8_1.8.2-7sarge1_mips.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2- 7sarge1_mips.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm- ruby1.8_1.8.2-7sarge1_mips.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline- ruby1.8_1.8.2-7sarge1_mips.deb Little-endian MIPS: http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8- dbg_1.8.2-7sarge1_mipsel.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm- ruby1.8_1.8.2-7sarge1_mipsel.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm- ruby1.8_1.8.2-7sarge1_mipsel.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1_mipsel.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk- ruby1.8_1.8.2-7sarge1_mipsel.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- dev_1.8.2-7sarge1_mipsel.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl- ruby1.8_1.8.2-7sarge1_mipsel.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2- 7sarge1_mipsel.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline- ruby1.8_1.8.2-7sarge1_mipsel.deb PowerPC: http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm- ruby1.8_1.8.2-7sarge1_powerpc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl- ruby1.8_1.8.2-7sarge1_powerpc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm- ruby1.8_1.8.2-7sarge1_powerpc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2- 7sarge1_powerpc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8- dbg_1.8.2-7sarge1_powerpc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk- ruby1.8_1.8.2-7sarge1_powerpc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- dev_1.8.2-7sarge1_powerpc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1_powerpc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline- ruby1.8_1.8.2-7sarge1_powerpc.deb IBM S/390: http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- dev_1.8.2-7sarge1_s390.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2- 7sarge1_s390.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm- ruby1.8_1.8.2-7sarge1_s390.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl- ruby1.8_1.8.2-7sarge1_s390.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk- ruby1.8_1.8.2-7sarge1_s390.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8- dbg_1.8.2-7sarge1_s390.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1_s390.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline- ruby1.8_1.8.2-7sarge1_s390.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm- ruby1.8_1.8.2-7sarge1_s390.deb Sun Sparc: http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2- 7sarge1_sparc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl- ruby1.8_1.8.2-7sarge1_sparc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm- ruby1.8_1.8.2-7sarge1_sparc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk- ruby1.8_1.8.2-7sarge1_sparc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm- ruby1.8_1.8.2-7sarge1_sparc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8- dev_1.8.2-7sarge1_sparc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8- dbg_1.8.2-7sarge1_sparc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline- ruby1.8_1.8.2-7sarge1_sparc.deb http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2- 7sarge1_sparc.deb MD5 checksums of the listed files are available in the original advisory. [***** End Debian Security Advisory DSA 748 *****] _______________________________________________________________________________ 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. 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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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