__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN GNU “mailutils” Contains Several Vulnerabilities [Debian Security Advisory DSA-732-1 ] June 3, 2005 17:00 GMT Number P-213 ______________________________________________________________________________ PROBLEM: Several vulnerabilities were discovered in the GNU mailutils package. This package contains utilities for handling mail. PLATFORM: Debian GNU/Linux 3.0 (woody) DAMAGE: Potential vulnerabilities include a buffer overflow in mail header handling, combined integer and heap overflow in the fetch routine and a format string vulnerability. These flaws may lead to execution of arbitrary code and denial of service. SOLUTION: Apply the security update. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. A remote attacker may execute arbitrary ASSESSMENT: code with the privileges of the “daemon” user. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/p-213.shtml ORIGINAL BULLETIN: http://www.debian.org/security/2005/dsa-732 CVE/CAN: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CAN-2005-1520, CAN-2005-1521, CAN-2005-1522, CAN-2005-1523 ______________________________________________________________________________ [***** Start Debian Security Advisory DSA-732-1 *****] Debian Security Advisory DSA-732-1 mailutils -- several vulnerabilities Date Reported: 03 Jun 2005 Affected Packages: mailutils Vulnerable: Yes Security database references: In Mitre's CVE dictionary: CAN-2005-1520, CAN-2005-1521, CAN-2005-1522, CAN- 2005-1523. More information: "infamous41md" discovered several vulnerabilities in the GNU mailutils package which contains utilities for handling mail. These problems can lead to a denial of service or the execution of arbitrary code. The Common Vulnerabilities and Exposures project identifies the following vulnerabilities. * CAN-2005-1520 Buffer overflow mail header handling may allow a remote attacker to execute commands with the privileges of the targeted user. * CAN-2005-1521 Combined integer and heap overflow in the fetch routine can lead to the execution of arbitrary code. * CAN-2005-1522 Denial of service in the fetch routine. * CAN-2005-1523 Format string vulnerability can lead to the execution of arbitrary code. For the stable distribution (woody) these problems have been fixed in version 20020409-1woody2. For the testing distribution (sarge) these problems have been fixed in version 0.6.1-4. For the unstable distribution (sid) these problems have been fixed in version 0.6.1-4. We recommend that you upgrade your mailutils packages. Fixed in: Debian GNU/Linux 3.0 (woody) Source: http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2.dsc http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2.tar.gz Architecture-independent component: http://security.debian.org/pool/updates/main/m/mailutils/mailutils- doc_20020409-1woody2_all.deb Alpha: http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0_20020409- 1woody2_alpha.deb http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0- dev_20020409-1woody2_alpha.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2_alpha.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- imap4d_20020409-1woody2_alpha.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- pop3d_20020409-1woody2_alpha.deb ARM: http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0_20020409- 1woody2_arm.deb http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0- dev_20020409-1woody2_arm.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2_arm.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- imap4d_20020409-1woody2_arm.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- pop3d_20020409-1woody2_arm.deb Intel IA-32: http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0_20020409- 1woody2_i386.deb http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0- dev_20020409-1woody2_i386.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2_i386.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- imap4d_20020409-1woody2_i386.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- pop3d_20020409-1woody2_i386.deb Intel IA-64: http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0_20020409- 1woody2_ia64.deb http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0- dev_20020409-1woody2_ia64.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2_ia64.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- imap4d_20020409-1woody2_ia64.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- pop3d_20020409-1woody2_ia64.deb HPPA: http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0_20020409- 1woody2_hppa.deb http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0- dev_20020409-1woody2_hppa.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2_hppa.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- imap4d_20020409-1woody2_hppa.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- pop3d_20020409-1woody2_hppa.deb Motorola 680x0: http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0_20020409- 1woody2_m68k.deb http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0- dev_20020409-1woody2_m68k.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2_m68k.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- imap4d_20020409-1woody2_m68k.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- pop3d_20020409-1woody2_m68k.deb Big endian MIPS: http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0_20020409- 1woody2_mips.deb http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0- dev_20020409-1woody2_mips.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2_mips.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- imap4d_20020409-1woody2_mips.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- pop3d_20020409-1woody2_mips.deb Little endian MIPS: http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0_20020409- 1woody2_mipsel.deb http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0- dev_20020409-1woody2_mipsel.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2_mipsel.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- imap4d_20020409-1woody2_mipsel.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- pop3d_20020409-1woody2_mipsel.deb PowerPC: http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0_20020409- 1woody2_powerpc.deb http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0- dev_20020409-1woody2_powerpc.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2_powerpc.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- imap4d_20020409-1woody2_powerpc.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- pop3d_20020409-1woody2_powerpc.deb IBM S/390: http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0_20020409- 1woody2_s390.deb http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0- dev_20020409-1woody2_s390.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2_s390.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- imap4d_20020409-1woody2_s390.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- pop3d_20020409-1woody2_s390.deb Sun Sparc: http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0_20020409- 1woody2_sparc.deb http://security.debian.org/pool/updates/main/m/mailutils/libmailutils0- dev_20020409-1woody2_sparc.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils_20020409- 1woody2_sparc.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- imap4d_20020409-1woody2_sparc.deb http://security.debian.org/pool/updates/main/m/mailutils/mailutils- pop3d_20020409-1woody2_sparc.deb MD5 checksums of the listed files are available in the original advisory. To report a problem with the web site, e-mail debian-www@lists.debian.org. For other contact information, see the Debian contact page. Last Modified: Fri, Jun 3 15:57:30 UTC 2005 Copyright © 2005 SPI; See license terms Debian is a registered trademark of Software in the Public Interest, Inc. [***** End Debian Security Advisory DSA-732-1 *****] _______________________________________________________________________________ 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. LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC) P-203: Cisco FWSM TCP ACL Bypass Vulnerability P-204: ncpfs Security Update P-205: Mac OS X 10.4.1 Update P-206: Mozilla & Firefox Security Update P-207: Ethereal Security Update P-208: Kernel Security Update P-209: HP-UX Trusted System Remote Unauthorized Access P-210: bzip2 P-211: PostgreSQL Security Vulnerabilities P-212: HP OpenView Radia Notify Daemon Security Vulnerabilities