| 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: [email protected]
Author: Ryan W. Maple <[email protected]>
Copyright 2003, Guardian Digital, Inc.