From security@guardiandigital.com Mon Aug 4 18:27:13 2003 From: EnGarde Secure Linux To: engarde-security@guardiandigital.com Date: Mon, 4 Aug 2003 15:14:21 -0400 (EDT) Subject: [Full-Disclosure] [ESA-20030804-019] 'postfix' Remote denial-of-service. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 +------------------------------------------------------------------------+ | Guardian Digital Security Advisory August 04, 2003 | | http://www.guardiandigital.com ESA-20030804-019 | | | | Package: postfix | | Summary: Remote denial-of-service. | +------------------------------------------------------------------------+ EnGarde Secure Linux is an enterprise class Linux platform engineered to enable corporations to quickly and cost-effectively build a complete and secure Internet presence while preventing Internet threats. OVERVIEW - -------- Michal Zalewski has discovered a vulnerability in the Postfix MTA which could lead to a remote DoS attack. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2003-0540 to this issue. Guardian Digital products affected by this issue include: EnGarde Secure Community v1.0.1 EnGarde Secure Community 2 EnGarde Secure Professional v1.1 EnGarde Secure Professional v1.2 EnGarde Secure Professional v1.5 It is recommended that all users apply this update as soon as possible. SOLUTION - -------- Guardian Digital Secure Network subscribers may automatically update affected systems by accessing their account from within the Guardian Digital WebTool. To modify your GDSN account and contact preferences, please go to: https://www.guardiandigital.com/account/ Below are MD5 sums for the updated EnGarde Secure Linux 1.0.1 packages: SRPMS/postfix-20001121-1.0.21.src.rpm MD5 Sum: d595e164f2e48766043486fbc71c32b8 i386/postfix-20001121-1.0.21.i386.rpm MD5 Sum: 4402f4bb441d30c9c631a97ad843700e i686/postfix-20001121-1.0.21.i686.rpm MD5 Sum: 2750ae2169625dba290e80c13009f258 REFERENCES - ---------- Guardian Digital's public key: http://ftp.engardelinux.org/pub/engarde/ENGARDE-GPG-KEY Postfix's Official Web Site: http://www.postfix.org/ Guardian Digital Advisories: http://infocenter.guardiandigital.com/advisories/ Security Contact: security@guardiandigital.com - -------------------------------------------------------------------------- Author: Ryan W. Maple Copyright 2003, Guardian Digital, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQE/LrCTHD5cqd57fu0RAkqaAJ9H21YR07MKrS/L+or68mQAXC2B7gCfabqX 4mWDMQ6LAvltRKpiNYsy3Ss= =c2jp -----END PGP SIGNATURE----- ------------------------------------------------------------------------ To unsubscribe email engarde-security-request@engardelinux.org with "unsubscribe" in the subject of the message. Copyright(c) 2003 Guardian Digital, Inc. GuardianDigital.com ------------------------------------------------------------------------ _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html