__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN postfix-policy Vulnerability [Debian Security Advisory DSA-1361-1] August 31, 2007 14:00 GMT Number R-338 ______________________________________________________________________________ PROBLEM: Postfix-policyd, an anti-spam plugin for postfix, does not correctly bounds-test incomint SMTP commands potentially allowing the remote exploitation of arbitrary code. PLATFORM: Debian GNU/Linux 4.0 alias etch DAMAGE: Potentially allowing the remote exploitation of arbitrary code. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. Potentially allowing the remote ASSESSMENT: exploitation of arbitrary code. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/r-338.shtml ORIGINAL BULLETIN: http://www.debian.org/security/2007/dsa-1361 CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2007-3791 ______________________________________________________________________________ [***** Start Debian Security Advisory DSA-1361-1 *****] Debian Security Advisory DSA-1361-1 postfix-policyd -- buffer overflow Date Reported: 29 Aug 2007 Affected Packages: postfix-policyd Vulnerable: Yes Security database references: In Mitre's CVE dictionary: CVE-2007-3791. More information: It was discovered that postfix-policyd, an anti-spam plugin for postfix, didn't correctly bounds-test incoming SMTP commands potentially allowing the remote exploitation of arbitrary code. For the stable distribution (etch), this problem has been fixed in version 1.80-2.1etch1. For the old stable distribution (sarge), this package was not present. For the unstable distribution (sid), this problem was fixed in version 1.80-2.2. We recommend that you upgrade your postfix-policyd package. Fixed in: Debian GNU/Linux 4.0 alias etch Source: http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1.diff.gz http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1.dsc http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80.orig.tar.gz alpha architecture (DEC Alpha) http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_alpha.deb amd64 architecture (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_amd64.deb arm architecture (ARM) http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_arm.deb hppa architecture (HP PA RISC) http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_hppa.deb i386 architecture (Intel ia32) http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_i386.deb ia64 architecture (Intel ia64) http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_ia64.deb mips architecture (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_mips.deb mipsel architecture (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_mipsel.deb s390 architecture (IBM S/390) http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_s390.deb sparc architecture (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/p/postfix-policyd/postfix-policyd_1.80-2.1etch1_sparc.deb MD5 checksums of the listed files are available in the original advisory. [***** End Debian Security Advisory DSA-1361-1 *****] _______________________________________________________________________________ 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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