From security@guardiandigital.com Tue Sep 30 15:51:52 2003 From: EnGarde Secure Linux To: engarde-security@guardiandigital.com, bugtraq@securityfocus.com Date: Tue, 30 Sep 2003 13:22:10 -0400 (EDT) Subject: [ESA-20030930-027] OpenSSL ASN.1 parsing vulnerabilities. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 +------------------------------------------------------------------------+ | Guardian Digital Security Advisory September 30, 2003 | | http://www.guardiandigital.com ESA-20030930-027 | | | | Packages: openssl, openssl-misc | | Summary: ASN.1 parsing vulnerabilities. | +------------------------------------------------------------------------+ 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 - -------- An SSL/TLS testing suite developed by the NISCC (UK National Infrastructure Security Co-Ordination Centre) uncovered ASN.1 parsing vulnerabilities in OpenSSL. Exploitation of these vulnerabilities may result in a denial of service. More information on these vulnerabilities may be found at the following URLs: http://www.uniras.gov.uk/vuls/2003/006489/tls.htm http://www.uniras.gov.uk/vuls/2003/006489/openssl.htm http://www.openssl.org/news/secadv_20030930.txt The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the names CAN-2003-0543 and CAN-2003-0544 to these issues. 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/openssl-0.9.6-1.0.20.src.rpm MD5 Sum: 5d1934b9bcd268d94f8ac8b99d1d5706 i386/openssl-0.9.6-1.0.20.i386.rpm MD5 Sum: 4bb12e405b0263e6c7be9b3c78b3790a i386/openssl-misc-0.9.6-1.0.20.i386.rpm MD5 Sum: 56dbd3b4ad1003700b24812b9b2862c4 i686/openssl-0.9.6-1.0.20.i686.rpm MD5 Sum: 4facceca8713e17657595f3f4eb6b406 i686/openssl-misc-0.9.6-1.0.20.i686.rpm MD5 Sum: bd2a0d8dcd4e23127d3d388bf8c18b35 REFERENCES - ---------- Guardian Digital's public key: http://ftp.engardelinux.org/pub/engarde/ENGARDE-GPG-KEY OpenSSL's Official Web Site: http://www.openssl.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/ebvIHD5cqd57fu0RAgLVAJ9K/CJ8u1JjOprTyDgapnpD8gKfbwCfY5xg uke+8hHzggcIOCtId6vzblk= =9Jy6 -----END PGP SIGNATURE-----