Share your story
The central voice for Linux and Open Source security news
Home News Topics Advisories HOWTOs Features Newsletters About Register

Sign up!
EnGarde Community
What is the most important Linux security technology?
Linux Events
Linux User Groups
Link to Us
Security Center
Book Reviews
Security Dictionary
Security Tips
White Papers
Featured Blogs
All About Linux
DanWalsh LiveJournal
Latest Newsletters
Linux Advisory Watch: March 27th, 2015
Linux Security Week: March 23rd, 2015
LinuxSecurity Newsletters
Choose Lists:
About our Newsletters
RSS Feeds
Get the LinuxSecurity news you want faster with RSS
Powered By

EnGarde: 'openssl' ASN.1 parsing DoS Print E-mail
User Rating:      How can I rate this item?
Posted by Team   
EnGarde This vulnerability (triggered by certain ASN.1 sequences which cause a large recursion) is only believed to be exploitable as a denial of service on the Windows platform at this time.

| Guardian Digital Security Advisory                   November 04, 2003 |
|                       ESA-20031104-029 |
|                                                                        |
| Packages: openssl, openssl-misc                                        |
| Summary:  ASN.1 parsing 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.

  On September 30, 2003, ESA-20030930-027 was released to address ASN.1
  parsing vulnerabilities discovered by a testing suite developed by
  the NISCC (UK National Infrastructure Security Co-Ordination Centre).

  Novell, Inc. has performed further testing using this suite and has
  discovered another potential denial of service attack.  This
  vulnerability (triggered by certain ASN.1 sequences which cause a large
  recursion) is only believed to be exploitable as a denial of service
  on the Windows platform at this time.

  The Common Vulnerabilities and Exposures project ( has
  assigned the name CAN-2003-0851 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.

  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:

  Below are MD5 sums for the updated EnGarde Secure Linux 1.0.1 packages:

      MD5 Sum: 74aae06ff672d77b4efb10fb2326f124

      MD5 Sum: a21b0cafc32490e4c34e0acd717b7ae9

      MD5 Sum: 747d1bd9371acc168efde9c5b12c4f8a

      MD5 Sum: 65b132cada0076faf457ed6ba52417ad

      MD5 Sum: db4dcaa52748b13e1ecd18cbde3dc8ea

      MD5 Sum: d21cf14319cecaed414e0266a6832298

      MD5 Sum: fc3a76d9923dc9712dde0e50756c9ee7

  Guardian Digital's public key:

  OpenSSL's Official Web Site:

  Guardian Digital Advisories:

  Security Contact:

Author: Ryan W. Maple <>
Copyright 2003, Guardian Digital, Inc.

< Prev   Next >


Latest Features
Peter Smith Releases Linux Network Security Online
Securing a Linux Web Server
Password guessing with Medusa 2.0
Password guessing as an attack vector
Squid and Digest Authentication
Squid and Basic Authentication
Demystifying the Chinese Hacking Industry: Earning 6 Million a Night
Free Online security course (LearnSIA) - A Call for Help
What You Need to Know About Linux Rootkits
Review: A Practical Guide to Fedora and Red Hat Enterprise Linux - Fifth Edition
Weekend Edition
FBI Quietly Removes Recommendation To Encrypt Your Phone
And the prize for LEAST SECURE BROWSER goes to ... Chrome!
Partner Sponsor

Community | HOWTOs | Blogs | Features | Book Reviews | Networking
 Security Projects |  Latest News |  Newsletters |  SELinux |  Privacy |  Home
 Hardening |   About Us |   Advertise |   Legal Notice |   RSS |   Guardian Digital
(c)Copyright 2015 Guardian Digital, Inc. All rights reserved.